/* QuoteChop LLC - Corporate Stylesheet */

/* CSS Variables */
:root {
  --qc-primary: #0095F6;
  --qc-secondary: #0B1F33;
  --qc-accent: #D4AF37; /* Gold accent */
  --qc-accent-light: #F4E5C2; /* Light gold */
  --qc-bg: #FFFFFF;
  --qc-bg-soft: #F8FAFC;
  --qc-bg-gradient: linear-gradient(135deg, #FFFFFF 0%, #F8FAFC 50%, #F0F4F8 100%);
  --qc-text: #1A1A1A;
  --qc-muted: #6B7280;
  --qc-gold-gradient: linear-gradient(135deg, #D4AF37 0%, #F4E5C2 100%);
  --qc-shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.08);
  --qc-shadow-medium: 0 8px 40px rgba(0, 0, 0, 0.12);
  --qc-shadow-strong: 0 16px 60px rgba(0, 0, 0, 0.16);
}

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

/* Performance optimizations for GitHub Pages */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Optimize animations for performance */
.card,
.section-header {
    will-change: transform, opacity;
}

/* Reduce paint operations */
.hero::before {
    will-change: auto;
}

/* Optimize scrolling */
html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', 'Inter', Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--qc-text);
    background-color: var(--qc-bg);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--qc-text);
}

h1 {
    font-size: 2.5rem;
    color: var(--qc-text);
}

h2 {
    font-size: 2rem;
    color: var(--qc-text);
}

h3 {
    font-size: 1.5rem;
    color: var(--qc-text);
}

p {
    margin-bottom: 1rem;
    color: var(--qc-muted);
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 4rem 0;
}

.section-sm {
    padding: 2rem 0;
}

/* Header */
header {
    background: var(--qc-bg);
    border-bottom: 1px solid #e5e5e5;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--qc-text);
    text-decoration: none;
    display: flex;
    align-items: center;
    transition: opacity 0.3s ease;
}

.logo:hover {
    opacity: 0.8;
}

.logo img {
    height: 40px;
    width: auto;
    margin-right: 0.75rem;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--qc-text);
    letter-spacing: -0.02em;
}

.logo .llc {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--qc-accent);
    margin-left: 0.25rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--qc-muted);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding-bottom: 1.5rem;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: var(--qc-primary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(-50%);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--qc-primary);
}

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

/* Hero Section */
.hero {
    padding: 6rem 0 4rem;
    background: var(--qc-bg-gradient);
    position: relative;
    overflow: hidden;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 149, 246, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(212, 175, 55, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--qc-gold-gradient);
}

.hero-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-text {
    opacity: 0;
    transform: translateY(40px);
    animation: fadeInUp 1s ease forwards;
}

.hero-text h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--qc-text);
    letter-spacing: -0.02em;
}

.hero-text .subtitle {
    font-size: 1.375rem;
    font-weight: 400;
    color: var(--qc-muted);
    line-height: 1.6;
    margin-bottom: 3rem;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.hero-visual {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translateX(40px);
    animation: fadeInRight 1s ease 0.3s forwards;
}

/* Animated Abstract Technology Visual */
.tech-visual {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-dot {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--qc-primary);
    border-radius: 50%;
    opacity: 0.6;
    animation: float 6s ease-in-out infinite;
}

.floating-dot:nth-child(1) {
    top: 20%;
    left: 20%;
    animation-delay: 0s;
}

.floating-dot:nth-child(2) {
    top: 60%;
    left: 70%;
    background: var(--qc-accent);
    animation-delay: 2s;
}

.floating-dot:nth-child(3) {
    top: 30%;
    left: 80%;
    background: var(--qc-primary);
    animation-delay: 4s;
}

.floating-dot:nth-child(4) {
    top: 70%;
    left: 30%;
    background: var(--qc-accent);
    animation-delay: 1s;
}

.network-line {
    position: absolute;
    background: linear-gradient(90deg, transparent, var(--qc-primary), transparent);
    height: 1px;
    opacity: 0.3;
    animation: pulse 4s ease-in-out infinite;
}

.network-line:nth-child(5) {
    width: 200px;
    top: 25%;
    left: 10%;
    transform: rotate(45deg);
}

.network-line:nth-child(6) {
    width: 300px;
    top: 50%;
    left: 40%;
    transform: rotate(-30deg);
    animation-delay: 2s;
}

.network-line:nth-child(7) {
    width: 250px;
    top: 65%;
    left: 20%;
    transform: rotate(15deg);
    animation-delay: 1s;
}

.tech-circle {
    position: absolute;
    border: 2px solid var(--qc-primary);
    border-radius: 50%;
    opacity: 0.2;
    animation: rotate 20s linear infinite;
}

.tech-circle:nth-child(8) {
    width: 300px;
    height: 300px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.tech-circle:nth-child(9) {
    width: 200px;
    height: 200px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-color: var(--qc-accent);
    animation-direction: reverse;
    animation-duration: 15s;
}

/* Premium Button Styles */
.btn {
    padding: 1rem 2rem;
    font-size: 1.125rem;
    font-weight: 600;
    border-radius: 12px;
    text-decoration: none;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary {
    background: var(--qc-primary);
    color: white;
    box-shadow: var(--qc-shadow-soft);
}

.btn-primary:hover {
    background: #007acc;
    transform: translateY(-3px);
    box-shadow: var(--qc-shadow-medium);
}

.btn-secondary {
    background: transparent;
    color: var(--qc-primary);
    border: 2px solid var(--qc-primary);
    font-weight: 500;
}

.btn-secondary:hover {
    background: var(--qc-primary);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--qc-shadow-soft);
}

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

@keyframes fadeInRight {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.3;
    }
    50% {
        opacity: 0.6;
    }
}

@keyframes rotate {
    from {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* Grid System */
.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Cards */
.card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--qc-accent), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card:hover {
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.12);
    transform: translateY(-4px);
}

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

.card h3 {
    color: var(--qc-text);
    margin-bottom: 1rem;
    font-weight: 600;
}

.card p {
    color: var(--qc-muted);
    line-height: 1.6;
}

.card ul {
    color: var(--qc-muted);
    line-height: 1.6;
}

/* Sections */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    color: var(--qc-text);
    line-height: 1.2;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: var(--qc-gold-gradient);
    border-radius: 1px;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--qc-muted);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Section Alternating Backgrounds */
.section:nth-child(even) {
    background: var(--qc-bg-soft);
}

.section-sm:nth-child(even) {
    background: var(--qc-bg-soft);
}

/* Section Structure - Premium Institutional Design */
.section {
    padding: 6rem 0;
    position: relative;
}

.section:nth-child(even) {
    background: var(--qc-bg-soft);
}

.section-sm {
    padding: 4rem 0;
}

.section-sm:nth-child(even) {
    background: var(--qc-bg-soft);
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    color: var(--qc-text);
    line-height: 1.2;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -0.75rem;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--qc-gold-gradient);
    border-radius: 2px;
}

.section-header p {
    font-size: 1.25rem;
    color: var(--qc-muted);
    line-height: 1.7;
    margin-top: 2rem;
}

/* Premium Card Design */
.card {
    background: white;
    padding: 3rem 2.5rem;
    border-radius: 20px;
    box-shadow: var(--qc-shadow-soft);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 149, 246, 0.08);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--qc-accent), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--qc-shadow-medium);
    border-color: rgba(0, 149, 246, 0.15);
}

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

.card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--qc-text);
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.card p {
    color: var(--qc-muted);
    line-height: 1.7;
    font-size: 1.0625rem;
    margin-bottom: 2rem;
}

.card .btn {
    margin-top: auto;
}

/* Enhanced Grid System */
.grid {
    display: grid;
    gap: 2.5rem;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* Feature Card with Icon */
.feature-card {
    text-align: center;
    padding: 3rem 2rem;
}

.feature-card .icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 2rem;
    background: var(--qc-gold-gradient);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    box-shadow: var(--qc-shadow-soft);
}

.feature-card h3 {
    font-size: 1.375rem;
    margin-bottom: 1rem;
}

.feature-card p {
    font-size: 1rem;
    line-height: 1.6;
}

/* Contact Page Styles */
.contact-info {
    margin-top: 1.5rem;
}

.contact-item {
    margin-bottom: 2rem;
}

.contact-item h4 {
    color: var(--qc-primary);
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.contact-item p {
    color: var(--qc-muted);
    line-height: 1.6;
    margin: 0;
}

.map-container {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--qc-shadow-soft);
}

.map-container iframe {
    width: 100%;
    height: 400px;
    border: none;
}

/* Mobile Responsive for Contact Page */
@media (max-width: 768px) {
    .map-container iframe {
        height: 300px;
    }
    
    .contact-item {
        margin-bottom: 1.5rem;
    }
}

/* Careers Page Styles */
.status-ticker {
    overflow: hidden;
    background: var(--qc-accent-light);
    border-radius: 12px;
    padding: 1rem 0;
}

.ticker-content {
    display: flex;
    align-items: center;
    white-space: nowrap;
    animation: ticker 20s linear infinite;
}

@keyframes ticker {
    0% {
        transform: translateX(100%);
    }
    100% {
        transform: translateX(-100%);
    }
}

.job-meta {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.badge {
    background: var(--qc-primary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

.job-description {
    margin: 2rem 0;
    padding: 1.5rem;
    background: var(--qc-bg-soft);
    border-radius: 12px;
    border-left: 4px solid var(--qc-accent);
}

.job-description h4 {
    color: var(--qc-text);
    font-size: 1.125rem;
    margin-bottom: 1rem;
    margin-top: 1.5rem;
}

.job-description h4:first-child {
    margin-top: 0;
}

.job-description ul {
    list-style: none;
    padding: 0;
}

.job-description li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--qc-muted);
    line-height: 1.6;
}

.job-description li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--qc-accent);
    font-weight: bold;
}

.internship-highlight {
    margin-bottom: 3rem;
}

.application-form {
    max-width: 100%;
}

.application-form .form-group {
    margin-bottom: 1.5rem;
}

.application-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--qc-text);
}

.application-form input,
.application-form select,
.application-form textarea {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid #e5e5e5;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.application-form input:focus,
.application-form select:focus,
.application-form textarea:focus {
    outline: none;
    border-color: var(--qc-primary);
    box-shadow: 0 0 0 3px rgba(0, 149, 246, 0.1);
}

.application-form textarea {
    resize: vertical;
    min-height: 120px;
}

.application-form small {
    display: block;
    margin-top: 0.5rem;
    color: var(--qc-muted);
    font-size: 0.875rem;
}

.application-form .btn {
    width: 100%;
    margin-top: 1rem;
}

/* Enhanced Careers Page Hero */
.careers-hero .hero-text h1 {
    font-size: 3.5rem;
}

.careers-hero .hero-text .subtitle {
    max-width: 600px;
    margin: 0 auto 2rem;
}

/* Mobile Responsive for Careers Page */
@media (max-width: 768px) {
    .job-meta {
        flex-direction: column;
        gap: 0.25rem;
    }
    
    .badge {
        display: inline-block;
        text-align: center;
    }
    
    .job-description {
        padding: 1rem;
    }
    
    .application-form .btn {
        padding: 1rem;
    }
    
    .ticker-content {
        font-size: 0.875rem;
    }
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--qc-gold-gradient);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: white;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 1rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--qc-text);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: 'Segoe UI', 'Inter', Helvetica, Arial, sans-serif;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--qc-primary);
    box-shadow: 0 0 0 3px rgba(0, 149, 246, 0.1);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

/* Accessibility improvements */
.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;
}

/* Focus indicators */
.btn:focus,
.nav-links a:focus,
input:focus,
textarea:focus,
select:focus {
    outline: 2px solid var(--qc-primary);
    outline-offset: 2px;
}

/* Skip to content link */
.skip-to-content {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--qc-primary);
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 10000;
}

.skip-to-content:focus {
    top: 6px;
}

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

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 2.5rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 2.5rem; }

/* Enhanced spacing utilities */
.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }
.p-5 { padding: 2.5rem; }

.max-w-md { max-width: 28rem; }
.max-w-lg { max-width: 32rem; }
.max-w-xl { max-width: 36rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }

.mx-auto { margin-left: auto; margin-right: auto; }

/* Section Alternating Backgrounds */
.section:nth-child(even) {
    background: var(--qc-bg-soft);
}

.section-sm:nth-child(even) {
    background: var(--qc-bg-soft);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--qc-shadow-medium);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: block;
        background: none;
        border: none;
        font-size: 1.5rem;
        cursor: pointer;
        color: var(--qc-text);
    }
    
    /* Premium Hero Mobile */
    .hero {
        padding: 4rem 0 2rem;
        min-height: 60vh;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
        line-height: 1.2;
    }
    
    .hero-text .subtitle {
        font-size: 1.125rem;
        margin-bottom: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }
    
    .hero-visual {
        height: 300px;
        order: -1;
    }
    
    /* Premium Section Headers Mobile */
    .section-header h2 {
        font-size: 2rem;
    }
    
    .section-header p {
        font-size: 1.125rem;
    }
    
    /* Premium Cards Mobile */
    .card {
        padding: 2rem 1.5rem;
        border-radius: 16px;
    }
    
    .card h3 {
        font-size: 1.25rem;
    }
    
    .feature-card .icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    /* Premium Grid Mobile */
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    /* Premium Buttons Mobile */
    .btn {
        padding: 0.875rem 1.75rem;
        font-size: 1rem;
    }
    
    /* Premium Footer Mobile */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .section {
        padding: 4rem 0;
    }
    
    .section-sm {
        padding: 3rem 0;
    }
    
    .section-header {
        margin-bottom: 3rem;
    }
    
    .card {
        padding: 1.5rem;
    }
}
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--qc-primary);
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background: var(--qc-bg);
        flex-direction: column;
        padding: 2rem;
        border-bottom: 1px solid #e5e5e5;
        transform: translateY(-100%);
        transition: transform 0.3s ease;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }
    
    .nav-links.active {
        display: flex;
        transform: translateY(0);
    }
}