:root {
    /* Colors */
    --primary-color: #ff4500;
    --primary-dark: #e63e00;
    --secondary-color: #19ad9f;
    --dark-color: #1b1e2c;
    --white-color: #ffffff;
    --light-gray: #f8f9fa;
    --gray-color: #6c757d;
    --dark-gray: #495057;
    --border-color: #e9ecef;
    --shadow-color: rgba(0, 0, 0, 0.1);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    --spacing-xxxl: 4rem;

    /* Font Sizes */
    --font-xs: 0.75rem;
    --font-sm: 0.875rem;
    --font-base: 1rem;
    --font-lg: 1.125rem;
    --font-xl: 1.25rem;
    --font-2xl: 1.5rem;
    --font-3xl: 1.875rem;
    --font-4xl: 2.25rem;
    --font-5xl: 3rem;

    /* Font Weights */
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Padding/Margin */
    --p-xs: var(--spacing-xs);
    --p-sm: var(--spacing-sm);
    --p-md: var(--spacing-md);
    --p-lg: var(--spacing-lg);
    --p-xl: var(--spacing-xl);
    --p-xxl: var(--spacing-xxl);
    --p-xxxl: var(--spacing-xxxl);

    /* Margins */
    --m-xs: var(--spacing-xs);
    --m-sm: var(--spacing-sm);
    --m-md: var(--spacing-md);
    --m-lg: var(--spacing-lg);
    --m-xl: var(--spacing-xl);
    --m-xxl: var(--spacing-xxl);
    --m-xxxl: var(--spacing-xxxl);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white-color);
}

/* Header */
.header {
    background: var(--white-color);
    padding: var(--p-md) 0;
    box-shadow: 0 2px 10px var(--shadow-color);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-xl);
    font-weight: var(--font-bold);
    color: var(--dark-color);
    text-decoration: none;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(
        135deg,
        var(--primary-color),
        var(--secondary-color)
    );
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white-color);
    font-weight: var(--font-bold);
    font-size: var(--font-lg);
}

.nav-button {
    background: var(--dark-color);
    color: var(--white-color);
    padding: var(--p-sm) var(--p-lg);
    border: none;
    border-radius: var(--radius-md);
    font-weight: var(--font-medium);
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
}

.nav-button:hover {
    background: var(--dark-gray);
    color: var(--white-color);
    text-decoration: none;
}

/* Hero Section */
.hero {
    background: linear-gradient(180deg, #ffffff 0%, #fff8f6 100%);
    padding: 120px 0 0 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 40%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="20" r="2" fill="%23ff4500" opacity="0.3"/><circle cx="20" cy="50" r="1.5" fill="%2319ad9f" opacity="0.4"/><circle cx="80" cy="70" r="1" fill="%23ff4500" opacity="0.2"/></svg>')
        repeat;
    opacity: 0.1;
}

/* Billing Animation Elements */
.billing-icons {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 10;
    overflow: hidden;
}

.billing-icon {
    position: absolute;
    font-size: 2rem;
    opacity: 0.8;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white-color);
    font-weight: var(--font-bold);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.billing-icon:nth-child(1) {
    left: 10%;
    top: 20%;
    animation: floatBilling 8s linear infinite,
        iconBlink 2s ease-in-out infinite;
    animation-delay: 0s, 1s;
    background: linear-gradient(
        135deg,
        var(--primary-color),
        var(--primary-dark)
    );
}

.billing-icon:nth-child(2) {
    left: 20%;
    top: 40%;
    animation: floatBilling 9s linear infinite,
        iconBlink 2.5s ease-in-out infinite;
    animation-delay: 1.5s, 2s;
    background: linear-gradient(135deg, var(--secondary-color), #16a085);
}

.billing-icon:nth-child(3) {
    left: 70%;
    top: 30%;
    animation: floatBilling 10s linear infinite,
        iconBlink 3s ease-in-out infinite;
    animation-delay: 3s, 1s;
    background: linear-gradient(
        135deg,
        var(--primary-color),
        var(--secondary-color)
    );
}

.billing-icon:nth-child(4) {
    left: 80%;
    top: 50%;
    animation: floatBilling 11s linear infinite,
        iconBlink 2.2s ease-in-out infinite;
    animation-delay: 4.5s, 3s;
    background: linear-gradient(
        135deg,
        var(--secondary-color),
        var(--primary-color)
    );
}

.billing-icon:nth-child(5) {
    left: 90%;
    top: 60%;
    animation: floatBilling 12s linear infinite,
        iconBlink 2.8s ease-in-out infinite;
    animation-delay: 6s, 0.5s;
    background: linear-gradient(
        135deg,
        var(--primary-dark),
        var(--secondary-color)
    );
}

@keyframes floatBilling {
    0% {
        transform: translateY(calc(100vh + 50px)) rotate(0deg);
        opacity: 0;
    }
    5% {
        opacity: 0.8;
    }
    95% {
        opacity: 0.8;
    }
    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

/* Icon Blinking Animation */
@keyframes iconBlink {
    0%,
    50%,
    100% {
        opacity: 0.8;
        transform: scale(1);
    }
    25% {
        opacity: 1;
        transform: scale(1.1);
        box-shadow: 0 6px 25px rgba(0, 0, 0, 0.3);
    }
    75% {
        opacity: 0.6;
        transform: scale(0.95);
    }
}

/* Animated Statistics */
.billing-stats {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: rgba(255, 255, 255, 0.95);
    padding: 1rem;
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 20px var(--shadow-color);
    min-width: 200px;
    animation: slideInStats 2s ease-out 1s both;
    border-left: 4px solid var(--primary-color);
    backdrop-filter: blur(10px);
}

.stat-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: var(--font-sm);
}

.stat-item:last-child {
    margin-bottom: 0;
}

.stat-value {
    font-weight: var(--font-bold);
    background: linear-gradient(
        45deg,
        var(--primary-color),
        var(--secondary-color)
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.counter {
    animation: countUp 2s ease-out 2s both;
}

@keyframes slideInStats {
    0% {
        transform: translateX(-100px);
        opacity: 0;
    }
    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes countUp {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

/* Animated Typing Effect */
.typing-animation {
    position: absolute;
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.95);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 30px var(--shadow-color);
    min-width: 250px;
    font-family: "Courier New", monospace;
    animation: slideInRight 1.5s ease-out 0.5s both;
    border-top: 3px solid var(--secondary-color);
    backdrop-filter: blur(10px);
}

.typing-text {
    font-size: var(--font-sm);
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.typing-text:nth-child(2),
.typing-text:nth-child(3) {
    color: var(--secondary-color);
}

.typing-cursor::after {
    content: "|";
    animation: blink 1s infinite;
    color: var(--primary-color);
    font-weight: var(--font-bold);
}

@keyframes blink {
    0%,
    50% {
        opacity: 1;
    }
    51%,
    100% {
        opacity: 0;
    }
}

@keyframes slideInRight {
    0% {
        transform: translateY(-50%) translateX(100px);
        opacity: 0;
    }
    100% {
        transform: translateY(-50%) translateX(0);
        opacity: 1;
    }
}

/* Floating Invoice Animation */
.floating-invoice {
    position: absolute;
    top: 30%;
    left: 5%;
    width: 80px;
    height: 100px;
    background: var(--white-color);
    border-radius: var(--radius-sm);
    box-shadow: 0 4px 15px var(--shadow-color);
    animation: floatInvoice 6s ease-in-out infinite;
    display: flex;
    flex-direction: column;
    padding: 8px;
    font-size: 8px;
    color: var(--gray-color);
    border-top: 3px solid var(--primary-color);
}

.invoice-header {
    border-bottom: 1px solid var(--primary-color);
    padding-bottom: 4px;
    margin-bottom: 4px;
    font-weight: bold;
    color: var(--primary-color);
    font-size: 6px;
}

.invoice-line {
    height: 2px;
    background: linear-gradient(
        90deg,
        var(--primary-color),
        var(--secondary-color)
    );
    margin: 2px 0;
    border-radius: 1px;
    opacity: 0.7;
}

.invoice-line:nth-child(3) {
    width: 60%;
    background: var(--secondary-color);
}

.invoice-line:nth-child(4) {
    width: 80%;
    background: var(--primary-color);
}

.invoice-line:nth-child(5) {
    width: 40%;
    background: linear-gradient(
        90deg,
        var(--secondary-color),
        var(--primary-color)
    );
}

@keyframes floatInvoice {
    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(2deg);
    }
}

/* Payment Success Animation */
.payment-success {
    position: absolute;
    bottom: 30%;
    right: 10%;
    background: linear-gradient(135deg, var(--secondary-color), #16a085);
    color: white;
    padding: 1rem;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    animation: paymentPulse 3s ease-in-out infinite;
    box-shadow: 0 4px 20px rgba(25, 173, 159, 0.4);
    font-weight: var(--font-bold);
}

@keyframes paymentPulse {
    0%,
    100% {
        transform: scale(1);
        box-shadow: 0 4px 20px rgba(25, 173, 159, 0.4);
    }
    50% {
        transform: scale(1.1);
        box-shadow: 0 8px 30px rgba(25, 173, 159, 0.6);
    }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--p-md);
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 600px;
    margin: 0 auto var(--m-xxxl);
}

.hero-subtitle {
    color: var(--gray-color);
    font-size: var(--font-base);
    margin-bottom: var(--m-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.hero-title {
    font-size: var(--font-5xl);
    font-weight: var(--font-bold);
    color: var(--dark-color);
    margin-bottom: var(--m-lg);
    line-height: 1.2;
}

.hero-title .highlight {
    color: var(--primary-color);
}

.hero-description {
    font-size: var(--font-lg);
    color: var(--gray-color);
    margin-bottom: var(--m-xl);
    line-height: 1.6;
}

.cta-button {
    background: var(--primary-color);
    color: var(--white-color);
    padding: var(--p-md) var(--p-xl);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-lg);
    font-weight: var(--font-semibold);
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 69, 0, 0.3);
}

.cta-button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 69, 0, 0.4);
    color: var(--white-color);
    text-decoration: none;
}

.hero-image {
    max-width: 500px;
    margin: 0 auto;
    position: relative;
}

.hero-image img {
    width: 100%;
    height: auto;
    /* border-radius: var(--radius-xl);
    box-shadow: 0 20px 60px var(--shadow-color); */
}

/* Features Section */
.features {
    padding: var(--p-xxxl) 0;
    background: var(--white-color);
}

.features-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--p-md);
}

.section-title {
    text-align: center;
    font-size: var(--font-3xl);
    font-weight: var(--font-bold);
    color: var(--dark-color);
    margin-bottom: var(--m-xxxl);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--m-xxxl);
}

.feature-card {
    background: var(--white-color);
    padding: var(--p-xl);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 20px var(--shadow-color);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px var(--shadow-color);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--m-lg);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-2xl);
    color: var(--white-color);
}

.feature-icon.gst {
    background: linear-gradient(135deg, #4caf50, #45a049);
}
.feature-icon.inventory {
    background: linear-gradient(135deg, #2196f3, #1976d2);
}
.feature-icon.payment {
    background: linear-gradient(135deg, #ff9800, #f57c00);
}

.feature-title {
    font-size: var(--font-xl);
    font-weight: var(--font-semibold);
    color: var(--dark-color);
    margin-bottom: var(--m-sm);
}

.feature-description {
    color: var(--gray-color);
    line-height: 1.6;
}

/* Why Choose Section */
.why-choose {
    background: var(--light-gray);
    padding: var(--p-xxxl) 0;
}

.why-choose-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--p-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxxl);
    align-items: center;
}

.why-choose-content h2 {
    font-size: var(--font-3xl);
    font-weight: var(--font-bold);
    color: var(--dark-color);
    margin-bottom: var(--m-lg);
}

.why-choose-content .highlight {
    color: var(--primary-color);
}

.why-choose-content p {
    color: var(--gray-color);
    font-size: var(--font-lg);
    line-height: 1.6;
    margin-bottom: var(--m-xl);
}

.why-choose-image {
    text-align: center;
    text-align: center;
    padding: 20px 0px;
    background: #fffaf0;
    border-radius: 12px;
    overflow: hidden;
}

.why-choose-image img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
}

/* Benefits Section */
.benefits {
    padding: var(--p-xxxl) 0;
    background: var(--white-color);
}

.benefits-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--p-md);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.benefit-item {
    text-align: center;
    padding: var(--p-lg);
}

.benefit-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--m-lg);
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-2xl);
    color: var(--white-color);
}

.benefit-title {
    font-size: var(--font-lg);
    font-weight: var(--font-semibold);
    color: var(--dark-color);
    margin-bottom: var(--m-sm);
}

.benefit-description {
    color: var(--gray-color);
    font-size: var(--font-sm);
    line-height: 1.5;
}

/* Testimonials */
.testimonials {
    background: var(--dark-color);
    padding: var(--p-xxxl) 0;
    color: var(--white-color);
}

.testimonials-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--p-md);
    text-align: center;
}

.testimonials h2 {
    font-size: var(--font-3xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--m-xxxl);
    color: var(--white-color);
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--p-xl);
    border-radius: var(--radius-lg);
    max-width: 600px;
    margin: 0 auto;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.testimonial-text {
    font-size: var(--font-lg);
    line-height: 1.6;
    margin-bottom: var(--m-lg);
    font-style: italic;
}

.testimonial-author {
    font-weight: var(--font-semibold);
    color: var(--primary-color);
}

/* Pricing */
.pricing {
    padding: var(--p-xxxl) 0;
    background: var(--light-gray);
}

.pricing-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--p-md);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--m-xl);
}

.pricing-card {
    background: var(--white-color);
    padding: var(--p-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: 0 4px 20px var(--shadow-color);
    border: 1px solid var(--border-color);
    position: relative;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px var(--shadow-color);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    transform: scale(1.02);
}

.pricing-card.featured::before {
    content: "Most Popular";
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: var(--white-color);
    padding: var(--p-xs) var(--p-md);
    border-radius: var(--radius-md);
    font-size: var(--font-sm);
    font-weight: var(--font-medium);
}

/* Plan Badges */
.plan-badge {
    position: absolute;
    top: -15px;
    left: 20px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white-color);
    font-size: var(--font-sm);
}

.plan-badge.free {
    background: linear-gradient(135deg, #6c757d, #495057);
}

.plan-badge.standard {
    background: linear-gradient(
        135deg,
        var(--primary-color),
        var(--primary-dark)
    );
}

.plan-badge.pro {
    background: linear-gradient(135deg, var(--secondary-color), #16a085);
}

.plan-badge.enterprise {
    background: linear-gradient(135deg, var(--dark-color), #495057);
}

.pricing-plan {
    font-size: var(--font-xl);
    font-weight: var(--font-bold);
    color: var(--dark-color);
    margin-bottom: var(--m-xs);
}

.plan-subtitle {
    font-size: var(--font-sm);
    color: var(--gray-color);
    margin-bottom: var(--m-lg);
}

.pricing-price {
    font-size: var(--font-4xl);
    font-weight: var(--font-bold);
    color: var(--primary-color);
    margin-bottom: 0;
}

.pricing-period {
    color: var(--gray-color);
    font-size: var(--font-sm);
    margin-bottom: var(--m-lg);
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--m-xl);
    text-align: left;
}

.pricing-features li {
    padding: var(--p-sm) 0;
    color: var(--dark-gray);
    font-size: var(--font-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

.pricing-button {
    width: 100%;
    background: var(--primary-color);
    color: var(--white-color);
    padding: var(--p-md);
    border: none;
    border-radius: var(--radius-md);
    font-weight: var(--font-medium);
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    margin-bottom: var(--m-lg);
}

.pricing-button:hover {
    background: var(--primary-dark);
    color: var(--white-color);
    text-decoration: none;
}

.pricing-button.secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.pricing-button.secondary:hover {
    background: var(--primary-color);
    color: var(--white-color);
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--dark-color), var(--dark-color));
    padding: var(--p-xxxl) 0;
    text-align: center;
    color: var(--white-color);
}

.cta-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--p-md);
}

.cta-section h2 {
    font-size: var(--font-3xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--m-lg);
}

.cta-section p {
    font-size: var(--font-lg);
    margin-bottom: var(--m-xl);
    opacity: 0.9;
}

.cta-section .cta-button {
    background: var(--white-color);
    color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.cta-section .cta-button:hover {
    background: var(--light-gray);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.cta-section .highlight {
    color: var(--white-color);
}

/* Demo Section */
.demo-section {
    padding: var(--p-xxxl) 0;
    background: var(--light-gray);
}

.demo-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--p-md);
}

.demo-title {
    text-align: center;
    font-size: var(--font-3xl);
    font-weight: var(--font-bold);
    color: var(--dark-color);
    margin-bottom: var(--m-xxxl);
}

.demo-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxxl);
    align-items: start;
    max-width: 100%;
    margin: 0 auto;
    background: var(--white-color);
    padding: var(--p-xl);
    border-radius: var(--radius-xl);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.demo-form {
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group label {
    font-weight: var(--font-semibold);
    color: var(--dark-color);
    font-size: var(--font-base);
}

.form-group input {
    padding: var(--p-sm) var(--p-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-base);
    transition: all 0.3s ease;
    background: var(--white-color);
    color: var(--dark-gray);
}

.form-group input::placeholder {
    color: #a0a0a0;
    font-size: var(--font-sm);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 69, 0, 0.1);
}

.demo-button {
    background: var(--primary-color);
    color: var(--white-color);
    padding: var(--p-md);
    border: none;
    border-radius: var(--radius-xl);
    font-size: var(--font-base);
    font-weight: var(--font-semibold);
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: var(--m-lg);
    width: 100%;
}

.demo-button:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(255, 69, 0, 0.3);
}

.contact-info {
    padding: var(--p-xl) 0;
}

.contact-info h3 {
    font-size: var(--font-2xl);
    font-weight: var(--font-bold);
    color: var(--dark-color);
    margin-bottom: var(--m-xxxl);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--m-xl);
}

.contact-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white-color);
    flex-shrink: 0;
}

.contact-icon.email {
    background: var(--primary-color);
}

.contact-icon.phone {
    background: var(--primary-color);
}

.contact-icon.location {
    background: var(--primary-color);
}

.contact-details h4 {
    font-size: var(--font-lg);
    font-weight: var(--font-semibold);
    color: var(--dark-color);
    margin-bottom: var(--m-xs);
}

.contact-details p {
    color: var(--gray-color);
    font-size: var(--font-base);
    line-height: 1.6;
    margin: 0;
}

/* Footer */
.footer {
    background: var(--dark-color);
    color: var(--white-color);
    padding: var(--p-xl) 0;
    text-align: center;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--p-md);
}

.footer p {
    margin: 0;
    color: rgba(255, 255, 255, 0.7);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-image,
    .floating-invoice,
    .billing-stats,
    .typing-animation,
    .payment-success {
        display: none;
    }
    .hero-title {
        font-size: var(--font-4xl);
    }

    .hero-description {
        font-size: var(--font-base);
    }

    .why-choose-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .features-grid,
    .benefits-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .pricing-card.featured {
        transform: none;
    }

    .nav-container {
        padding: 0 var(--p-sm);
    }

    .hero-container,
    .features-container,
    .why-choose-container,
    .benefits-container,
    .testimonials-container,
    .pricing-container,
    .cta-container,
    .demo-container,
    .footer-container {
        padding: 0 var(--p-sm);
    }

    .demo-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    /* Hide some animations on mobile for performance */
    .billing-stats,
    .typing-animation,
    .floating-invoice {
        display: none;
    }

    .billing-icons {
        opacity: 0.3;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 0 var(--p-xl);
    }

    .hero-title {
        font-size: var(--font-3xl);
    }

    .section-title {
        font-size: var(--font-2xl);
    }

    .feature-card,
    .pricing-card {
        padding: var(--p-lg);
    }

    /* Hide all animations on small mobile */
    .billing-icons,
    .payment-success {
        display: none;
    }
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: var(--white-color);
    margin: 5vh auto;
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    padding: var(--p-lg) var(--p-xl);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
    font-size: var(--font-2xl);
    font-weight: var(--font-bold);
    color: var(--dark-color);
}

.close {
    color: var(--gray-color);
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.close:hover {
    background-color: var(--light-gray);
    color: var(--dark-color);
}

.modal-body {
    padding: var(--p-lg) var(--p-xl);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--spacing-lg);
}

.form-row .form-group.full-width {
    grid-column: 1 / -1;
}

/* Address and Logo Row Specific Layout */
.address-logo-row {
    grid-template-columns: 2fr 1fr;
    align-items: stretch;
}

.address-group {
    grid-column: 1;
    display: flex;
    flex-direction: column;
}

.logo-group {
    grid-column: 2;
    display: flex;
    flex-direction: column;
}

.address-group textarea {
    min-height: 140px;
    height: 140px;
    resize: vertical;
    flex: 1;
}

.logo-group .file-upload {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.logo-group .file-upload-placeholder {
    height: 140px;
    flex: 1;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group label {
    font-weight: var(--font-semibold);
    color: var(--dark-color);
    font-size: var(--font-base);
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: var(--p-sm) var(--p-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-base);
    transition: all 0.3s ease;
    background: var(--white-color);
    color: var(--dark-gray);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 69, 0, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

/* File Upload Styles */
.file-upload {
    position: relative;
}

.file-upload input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.file-upload-placeholder {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--p-xl);
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--gray-color);
}

.file-upload-placeholder:hover {
    border-color: var(--primary-color);
    background-color: rgba(255, 69, 0, 0.05);
}

.file-upload-placeholder svg {
    color: var(--primary-color);
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: flex-end;
    padding-top: var(--p-lg);
    border-top: 1px solid var(--border-color);
    margin-top: var(--m-lg);
}

.btn-primary,
.btn-secondary {
    padding: var(--p-sm) var(--p-xl);
    border-radius: var(--radius-md);
    font-size: var(--font-base);
    font-weight: var(--font-semibold);
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    min-width: 120px;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(255, 69, 0, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--gray-color);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--light-gray);
    color: var(--dark-color);
}

/* Modal Responsive */
@media (max-width: 768px) {
    .modal-content {
        margin: 2% auto;
        width: 95%;
        max-height: 95vh;
    }

    .modal-header,
    .modal-body {
        padding: var(--p-lg);
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .address-logo-row {
        grid-template-columns: 1fr;
    }

    .address-group,
    .logo-group {
        grid-column: 1;
    }

    .form-actions {
        flex-direction: column;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
    }
}