/* ==========================================================================
   Prowise Advisory - Brand Guidelines Website
   ========================================================================== */

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

:root {
    /* Brand Colors */
    --color-teal: #4DB8C4;
    --color-deep-teal: #3DA3B0;
    --color-black: #000000;
    --color-white: #FFFFFF;
    --color-charcoal: #2A3A45;
    --color-slate: #6E7C89;
    --color-light-bg: #F5F7FA;
    --color-border: #E5E5E5;
    
    /* Typography */
    --font-display: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transitions */
    --transition-base: all 0.3s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-charcoal);
    background-color: var(--color-white);
    overflow-x: hidden;
    padding-top: 70px; /* Space for fixed navbar */
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-sm);
}

a {
    color: var(--color-teal);
    text-decoration: none;
    transition: var(--transition-base);
}

a:hover {
    color: var(--color-deep-teal);
}

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

/* Override for inline images */
a img,
span img {
    display: inline-block;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Navigation */
.navbar {
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.5rem var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 100px;
}

.nav-logo {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 1rem;
}

.nav-logo-img {
    height: 42px;
    width: auto;
    max-width: 192px;
    display: block;
    vertical-align: middle;
    object-fit: contain;
}

.nav-tagline {
    font-size: 0.9rem;
    color: var(--color-teal);
    line-height: 1.2;
    font-style: italic;
    font-weight: 600;
    white-space: nowrap;
    padding-left: 1rem;
    border-left: 2px solid var(--color-teal);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    color: var(--color-charcoal);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    background-color: var(--color-light-bg);
    color: var(--color-teal);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--color-charcoal);
    transition: var(--transition-base);
    border-radius: 2px;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--color-charcoal) 0%, var(--color-slate) 100%);
    color: var(--color-white);
    padding: var(--spacing-xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(77, 184, 196, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
}

.hero-subtitle {
    font-size: 1.75rem;
    color: var(--color-teal);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-body);
    font-weight: 300;
}

.hero-description {
    font-size: 1.125rem;
    max-width: 700px;
    margin: 0 auto var(--spacing-md);
    opacity: 0.9;
    line-height: 1.8;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: var(--transition-base);
    text-align: center;
}

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

.btn-primary:hover {
    background-color: var(--color-deep-teal);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background-color: var(--color-teal);
    color: var(--color-white);
}

/* Sections */
.section {
    padding: var(--spacing-xl) 0;
}

.section-alt {
    background-color: var(--color-light-bg);
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--color-charcoal);
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--color-slate);
}

/* Intro Section */
.intro-section {
    padding: var(--spacing-lg) 0;
    background-color: var(--color-white);
}

.intro-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.intro-card {
    text-align: center;
    padding: var(--spacing-md);
    border-radius: 12px;
    transition: var(--transition-base);
}

.intro-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.intro-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-teal), var(--color-deep-teal));
    border-radius: 50%;
    color: var(--color-white);
    font-size: 2rem;
}

.intro-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-charcoal);
}

.intro-card p {
    color: var(--color-slate);
    line-height: 1.7;
}

/* Content Blocks */
.content-block {
    margin-bottom: var(--spacing-lg);
}

.content-block h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-charcoal);
    padding-bottom: var(--spacing-sm);
    border-bottom: 3px solid var(--color-teal);
    display: inline-block;
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: var(--spacing-md);
}

/* Logo Section */
.logo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.logo-variant {
    text-align: center;
}

.logo-display {
    padding: var(--spacing-md);
    border-radius: 12px;
    margin-bottom: var(--spacing-sm);
    min-height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--color-border);
}

.logo-display img {
    max-width: 250px;
    height: auto;
}

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

.dark-bg {
    background-color: var(--color-charcoal);
}

.gray-bg {
    background-color: #5A6870;
}

.logo-variant h4 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    color: var(--color-charcoal);
}

.logo-variant p {
    color: var(--color-slate);
    font-size: 0.9rem;
}

/* Guideline Cards */
.guideline-card {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.guideline-visual {
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-md);
    background-color: var(--color-light-bg);
    border-radius: 8px;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.clearspace-demo {
    position: relative;
    padding: 40px;
}

.clearspace-demo img {
    max-width: 200px;
    position: relative;
    z-index: 1;
}

.clearspace-lines {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 2px dashed var(--color-teal);
    opacity: 0.5;
}

.size-demo {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.size-example {
    text-align: center;
}

.size-example img {
    max-width: 120px;
    margin: 0 auto var(--spacing-xs);
}

.size-label {
    font-size: 0.875rem;
    color: var(--color-slate);
    font-weight: 500;
}

/* Do's and Don'ts */
.dos-section,
.donts-section {
    padding: var(--spacing-md);
    border-radius: 12px;
}

.dos-section {
    background-color: rgba(77, 184, 196, 0.05);
}

.donts-section {
    background-color: rgba(220, 53, 69, 0.05);
}

.do-title {
    color: #28a745;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dont-title {
    color: #dc3545;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dos-list,
.donts-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.dos-item,
.donts-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.dos-item img,
.donts-item img {
    max-width: 100px;
    height: auto;
}

.dos-item p,
.donts-item p {
    flex: 1;
    margin: 0;
    font-size: 0.9rem;
}

.wrong-example {
    min-width: 100px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-white);
    border-radius: 6px;
    border: 2px solid #dc3545;
    padding: 8px;
}

.wrong-example img {
    max-width: 80px;
}

/* Color Section */
.color-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.color-card {
    background-color: var(--color-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.color-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.color-swatch {
    height: 200px;
    position: relative;
    cursor: pointer;
}

.color-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    transition: var(--transition-base);
}

.color-swatch:hover .color-overlay {
    opacity: 1;
}

.copy-icon {
    color: var(--color-white);
    font-size: 2rem;
}

.color-card h4 {
    padding: var(--spacing-sm) var(--spacing-sm) 0;
    font-size: 1.125rem;
}

.color-codes {
    padding: 0 var(--spacing-sm);
}

.color-code {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.875rem;
}

.code-label {
    font-weight: 600;
    color: var(--color-slate);
}

.code-value {
    font-family: 'Courier New', monospace;
    color: var(--color-charcoal);
}

.color-usage {
    padding: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--color-slate);
    font-style: italic;
}

/* Guidelines Grid */
.guidelines-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.guideline-item {
    padding: var(--spacing-md);
    background-color: var(--color-white);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.guideline-icon {
    font-size: 2.5rem;
    color: var(--color-teal);
    margin-bottom: var(--spacing-sm);
}

.guideline-item h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--color-charcoal);
}

.guideline-item p {
    color: var(--color-slate);
    font-size: 0.9rem;
    margin: 0;
}

/* Typography Section */
.type-card {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.type-specimen {
    padding: var(--spacing-md);
    background-color: var(--color-light-bg);
    border-radius: 8px;
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.type-display {
    font-size: 6rem;
    line-height: 1;
    margin-bottom: var(--spacing-sm);
    color: var(--color-charcoal);
}

.type-alphabet {
    font-size: 0.875rem;
    line-height: 1.8;
    color: var(--color-slate);
}

.type-card h4 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.type-usage {
    color: var(--color-slate);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
}

.type-weights {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.weight-badge {
    padding: 0.375rem 0.75rem;
    background-color: var(--color-light-bg);
    border-radius: 4px;
    font-size: 0.875rem;
    color: var(--color-charcoal);
    font-family: var(--font-body);
}

/* Type Hierarchy */
.type-hierarchy {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.hierarchy-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--color-white);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    align-items: center;
}

.hierarchy-example {
    padding: var(--spacing-sm);
    background-color: var(--color-light-bg);
    border-radius: 8px;
}

.hierarchy-specs {
    font-size: 0.9rem;
}

.hierarchy-specs p {
    margin-bottom: 0.5rem;
    color: var(--color-slate);
}

.hierarchy-specs strong {
    color: var(--color-charcoal);
}

/* Brand Elements */
.element-card {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.element-display {
    padding: var(--spacing-md);
    background-color: var(--color-light-bg);
    border-radius: 8px;
    margin-bottom: var(--spacing-sm);
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.element-examples {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.example-card {
    text-align: center;
}

.example-visual {
    padding: var(--spacing-md);
    background-color: var(--color-light-bg);
    border-radius: 12px;
    margin-bottom: var(--spacing-sm);
    min-height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mock-card {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 8px;
    width: 250px;
    box-shadow: var(--shadow-sm);
    position: relative;
}

.mock-header {
    padding: var(--spacing-sm);
    background-color: var(--color-white);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
}

.mock-divider {
    width: 100%;
    max-width: 300px;
}

.example-caption {
    font-size: 0.9rem;
    color: var(--color-slate);
    font-style: italic;
}

/* Applications Section */
.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.application-card {
    text-align: center;
}

.application-mockup {
    background-color: var(--color-light-bg);
    padding: var(--spacing-md);
    border-radius: 12px;
    margin-bottom: var(--spacing-sm);
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.business-card {
    background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%);
}

.card-front {
    background-color: var(--color-white);
    width: 350px;
    height: 200px;
    border-radius: 8px;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.letterhead {
    background: linear-gradient(135deg, #fafafa 0%, #f0f0f0 100%);
}

.letterhead > div {
    background-color: var(--color-white);
    width: 300px;
    height: 400px;
    border-radius: 4px;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
}

.envelope {
    background: linear-gradient(135deg, #f8f8f8 0%, #efefef 100%);
    position: relative;
}

.envelope > div:first-child {
    background-color: var(--color-white);
    width: 400px;
    height: 180px;
    border-radius: 4px;
    box-shadow: var(--shadow-md);
    position: relative;
}

.website {
    background: linear-gradient(135deg, #fafafa 0%, #f0f0f0 100%);
}

.website > div {
    background-color: var(--color-white);
    width: 100%;
    max-width: 350px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.browser-bar {
    background-color: #E5E5E5;
    padding: 10px;
}

.browser-dots {
    display: flex;
    gap: 6px;
}

.browser-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #CCC;
}

.website-content {
    min-height: 200px;
}

.email {
    background: linear-gradient(135deg, #fafafa 0%, #f0f0f0 100%);
}

.email > div {
    background-color: var(--color-white);
    width: 100%;
    max-width: 350px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.social {
    background: linear-gradient(135deg, #fafafa 0%, #f0f0f0 100%);
}

.social > div {
    background-color: var(--color-white);
    width: 100%;
    max-width: 300px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.application-card h4 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    color: var(--color-charcoal);
}

.application-card p {
    color: var(--color-slate);
    font-size: 0.9rem;
}

/* Presentation Mockup */
.presentation-mockup {
    max-width: 800px;
    margin: var(--spacing-md) auto;
}

.slide-example {
    background-color: var(--color-white);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.slide-header {
    padding: var(--spacing-md);
    background-color: var(--color-light-bg);
    position: relative;
}

.slide-content {
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-lg);
}

.slide-footer {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-light-bg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Downloads Section */
.downloads-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.download-card {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.download-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.download-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-teal), var(--color-deep-teal));
    border-radius: 50%;
    color: var(--color-white);
    font-size: 2.5rem;
}

.download-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
    text-align: center;
}

.download-card > p {
    text-align: center;
    color: var(--color-slate);
    margin-bottom: var(--spacing-sm);
}

.download-card .btn {
    width: 100%;
    margin-bottom: 0.5rem;
}

.download-card .btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

#printPdfBtn:hover {
    background-color: var(--color-slate) !important;
    color: var(--color-white) !important;
}

.download-list {
    list-style: none;
    margin: var(--spacing-sm) 0;
}

.download-list li {
    margin-bottom: 0.75rem;
}

.download-list a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    border-radius: 6px;
    transition: var(--transition-base);
}

.download-list a:hover {
    background-color: var(--color-light-bg);
}

.color-quick-ref {
    margin-top: var(--spacing-sm);
}

.quick-color {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.75rem;
    background-color: var(--color-light-bg);
    border-radius: 6px;
    margin-bottom: 0.75rem;
}

.quick-swatch {
    width: 50px;
    height: 50px;
    border-radius: 6px;
    flex-shrink: 0;
    border: 2px solid var(--color-border);
}

.quick-info {
    display: flex;
    flex-direction: column;
}

.quick-info strong {
    font-size: 0.9rem;
    color: var(--color-charcoal);
    margin-bottom: 0.25rem;
}

.quick-info span {
    font-size: 0.875rem;
    color: var(--color-slate);
    font-family: 'Courier New', monospace;
}

/* Contact Section */
.contact-section {
    max-width: 600px;
    margin: var(--spacing-lg) auto 0;
    text-align: center;
    padding: var(--spacing-md);
    background-color: var(--color-white);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.contact-section h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
}

.contact-item i {
    color: var(--color-teal);
}

/* Footer */
.footer {
    background-color: var(--color-charcoal);
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    align-items: center;
    text-align: center;
}

.footer-logo img {
    max-width: 180px;
    height: auto;
    margin: 0 auto;
    display: block;
}

.footer-text p {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    opacity: 0.8;
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--color-white);
    font-size: 1.25rem;
    transition: var(--transition-base);
}

.footer-social a:hover {
    background-color: var(--color-teal);
    transform: translateY(-3px);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    body {
        padding-top: 60px; /* Match mobile navbar height */
    }
    
    .nav-logo-img {
        height: 30px;
        max-width: 120px;
    }
    
    .nav-tagline {
        font-size: 0.75rem;
        padding-left: 0.75rem;
    }
    
    .nav-container {
        min-height: 60px;
    }
    
    .nav-menu {
        position: fixed;
        left: 0;
        top: 0;
        width: 100%;
        height: 100vh;
        flex-direction: column;
        background-color: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        text-align: center;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-100%);
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: none;
        padding: 120px var(--spacing-lg) var(--spacing-xl);
        overflow-y: auto;
        z-index: 999;
    }
    
    .nav-menu.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    
    .nav-toggle {
        display: flex;
        z-index: 1001;
        position: relative;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translateY(8px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translateY(-8px);
    }
    
    /* Mobile Nav Items */
    .nav-menu li {
        margin: 0;
        padding: 0;
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.3s ease, transform 0.3s ease;
    }
    
    .nav-menu.active li {
        opacity: 1;
        transform: translateY(0);
    }
    
    .nav-menu.active li:nth-child(1) { transition-delay: 0.1s; }
    .nav-menu.active li:nth-child(2) { transition-delay: 0.15s; }
    .nav-menu.active li:nth-child(3) { transition-delay: 0.2s; }
    .nav-menu.active li:nth-child(4) { transition-delay: 0.25s; }
    .nav-menu.active li:nth-child(5) { transition-delay: 0.3s; }
    .nav-menu.active li:nth-child(6) { transition-delay: 0.35s; }
    .nav-menu.active li:nth-child(7) { transition-delay: 0.4s; }
    
    .nav-link {
        display: block;
        padding: 1rem 1.5rem;
        font-size: 1.25rem;
        font-weight: 500;
        color: var(--color-charcoal);
        border-radius: 12px;
        transition: all 0.3s ease;
    }
    
    .nav-link:hover {
        background-color: var(--color-gold);
        color: var(--color-white);
        transform: translateX(10px);
    }
    
    /* Mega Menu Mobile */
    .mega-menu {
        position: static;
        transform: none;
        min-width: 100%;
        opacity: 1;
        visibility: visible;
        pointer-events: all;
        box-shadow: none;
        padding: 0;
        background: var(--color-light-bg);
        border-radius: 12px;
        margin-top: 0.5rem;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease, padding 0.3s ease;
    }
    
    .mega-menu-item.active .mega-menu {
        max-height: 3000px;
        padding: 1.5rem;
    }
    
    .mega-menu-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .mega-menu-column {
        width: 100%;
        text-align: left;
        padding: 1rem;
        background: var(--color-white);
        border-radius: 8px;
    }
    
    .mega-menu-column h4 {
        font-size: 1rem;
        margin-bottom: 0.75rem;
        color: var(--color-gold);
    }
    
    .mega-menu-column ul li a {
        padding: 0.75rem 0.5rem;
        font-size: 0.95rem;
        display: block;
        border-radius: 6px;
        transition: all 0.2s ease;
    }
    
    .mega-menu-column ul li a:hover {
        background-color: var(--color-light-bg);
        padding-left: 1rem;
    }
    
    /* Mobile Dropdown */
    .nav-dropdown {
        width: 100%;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        background: var(--color-light-bg);
        border-radius: 8px;
        padding: 0.5rem;
        margin-top: 0.5rem;
        display: none;
    }
    
    .nav-dropdown.active .dropdown-menu {
        display: block;
    }
    
    .dropdown-menu li a {
        padding: 0.75rem 1rem;
        font-size: 1rem;
        border-radius: 6px;
        display: block;
    }
    
    .dropdown-menu li a:hover {
        background-color: var(--color-white);
    }
    
    /* Navbar stays visible above menu */
    .navbar {
        z-index: 1000;
        position: fixed;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .grid-2 {
        grid-template-columns: 1fr;
    }
    
    .hierarchy-item {
        grid-template-columns: 1fr;
    }
    
    .type-display {
        font-size: 4rem;
    }
    
    .card-front {
        width: 280px;
        height: 160px;
    }
    
    .letterhead > div {
        width: 250px;
        height: 350px;
    }
    
    .envelope > div:first-child {
        width: 300px;
        height: 140px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .section-header h2 {
        font-size: 1.75rem;
    }
    
    .intro-grid,
    .logo-grid,
    .color-grid,
    .applications-grid,
    .downloads-grid {
        grid-template-columns: 1fr;
    }
    
    .logo-display img {
        max-width: 180px;
    }
    
    .card-front {
        width: 240px;
        height: 140px;
        padding: var(--spacing-sm);
    }
    
    .card-front img {
        width: 90px;
    }
    
    .type-display {
        font-size: 3rem;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .nav-toggle,
    .hero,
    .footer,
    .btn {
        display: none;
    }
    
    .section {
        page-break-inside: avoid;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

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

/* Focus Styles */
a:focus,
button:focus,
input:focus,
textarea:focus {
    outline: 2px solid var(--color-teal);
    outline-offset: 2px;
}

/* Selection */
::selection {
    background-color: var(--color-teal);
    color: var(--color-white);
}