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

:root {
    /* Itnoa brand colors */
    --itnoa-green: hsl(142, 76%, 36%);
    --itnoa-dark: hsl(215, 25%, 27%);
    --itnoa-gray: hsl(219, 14%, 28%);
    
    /* UI colors */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Accent colors */
    --blue-600: #2563eb;
    --blue-100: #dbeafe;
    --green-600: #16a34a;
    --green-100: #dcfce7;
    --yellow-600: #ca8a04;
    --yellow-100: #fef3c7;
    --red-600: #dc2626;
    --red-100: #fee2e2;
    --orange-600: #ea580c;
    --purple-600: #9333ea;
    
    /* Spacing */
    --container-max-width: 1200px;
    --section-padding: 5rem 0;
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    
    /* 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);
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    scroll-behavior: smooth;
    overflow-x: hidden; /* Prevent horizontal scrolling */
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1rem;
    width: 100%;
}

@media (min-width: 640px) {
    .container {
        padding: 0 1.5rem;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 2rem;
    }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--itnoa-dark);
}

h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

p {
    margin-bottom: 1rem;
    color: var(--gray-600);
}

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

a:hover {
    color: var(--green-600);
    text-decoration: underline;
}

/* Utility Classes */
.text-accent {
    color: var(--itnoa-green);
}

.font-mono {
    font-family: var(--font-mono);
}

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

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    line-height: 1;
}

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

.btn-primary:hover {
    background-color: var(--green-600);
    color: var(--white);
    text-decoration: none;
}

.btn-outline {
    background-color: transparent;
    color: var(--itnoa-green);
    border: 2px solid var(--itnoa-green);
}

.btn-outline:hover {
    background-color: var(--itnoa-green);
    color: var(--white);
    text-decoration: none;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-full {
    width: 100%;
}

/* Navigation */
.navbar {
    background-color: var(--white);
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 50;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 4rem;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none !important;
    color: inherit;
    cursor: pointer;
}

.nav-logo:hover {
    text-decoration: none !important;
}

.logo-icon {
    width: 2rem;
    height: 2rem;
    background-color: var(--itnoa-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.25rem;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-main {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--itnoa-dark);
    line-height: 1;
}

.logo-sub {
    font-size: 0.75rem;
    color: var(--gray-500);
    line-height: 1;
    margin-top: 0.125rem; /* Add small spacing between logo parts */
}

.nav-menu {
    display: none;
    align-items: center;
    gap: 2rem;
}

@media (min-width: 768px) {
    .nav-menu {
        display: flex;
    }
}

.nav-link {
    color: var(--gray-600);
    font-weight: 500;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--itnoa-green);
    text-decoration: none;
}

.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    width: 1.5rem;
    height: 1.5rem;
    background: transparent;
    border: none;
    cursor: pointer;
}

@media (min-width: 768px) {
    .mobile-menu-btn {
        display: none;
    }
}

.mobile-menu-btn span {
    width: 100%;
    height: 2px;
    background-color: var(--gray-600);
    transition: all 0.3s;
}

/* Hero Section */
.hero {
  position: relative;
  overflow: hidden;
  background-color: #f9fafb; /* Light neutral fallback for mobile */
  min-height: 85vh;
  padding: 2rem 0 4rem;
  display: flex;
  align-items: center;
}

/* Background image for desktop only */
@media (min-width: 1024px) {
  .hero {
    background-image: linear-gradient(
        to bottom,
        rgba(255, 255, 255, 0.85),
        rgba(255, 255, 255, 0.85)
      ),
      url('hero-background.webp');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: scroll;
  }
}



.hero-content {
    text-align: center;
    max-width: 64rem;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    background-color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
    margin-bottom: 2rem;
}

.badge-icon {
    width: 2.5rem;
    height: 2.5rem;
    background-color: var(--itnoa-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 4rem;
    }
}

.hero-description {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: 2.5rem;
    max-width: 48rem;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 3rem;
    align-items: center;
}

@media (min-width: 640px) {
    .hero-buttons {
        flex-direction: row;
        justify-content: center;
    }
}

.code-preview {
    max-width: 32rem;
    margin: 0 auto;
    background-color: var(--white);
    border-radius: 0.75rem;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--gray-200);
}

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

.free-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    background-color: color-mix(in srgb, var(--itnoa-green) 10%, transparent);
    color: var(--itnoa-green);
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
}

.code-block {
    background-color: var(--gray-900);
    color: #10b981;
    padding: 1rem;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    overflow-x: auto;
    margin: 0;
    max-width: 100%;
}

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

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.25rem;
    color: var(--gray-600);
    max-width: 48rem;
    margin: 0 auto;
}

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

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.feature-card {
    background-color: var(--gray-50);
    padding: 2rem;
    border-radius: 0.5rem;
    border: 1px solid var(--gray-100);
    transition: box-shadow 0.2s;
}

.feature-card:hover {
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.icon-green {
    background-color: var(--green-100);
    color: var(--itnoa-green);
}

.icon-blue {
    background-color: var(--blue-100);
    color: var(--blue-600);
}

.icon-whatsapp {
    background-color: var(--green-100);
    color: var(--green-600);
}

.icon-yellow {
    background-color: var(--yellow-100);
    color: var(--yellow-600);
}

.icon-red {
    background-color: var(--red-100);
    color: var(--red-600);
}

.icon-orange {
    background-color: color-mix(in srgb, var(--orange-600) 10%, transparent);
    color: var(--orange-600);
}

.icon-purple {
    background-color: color-mix(in srgb, var(--purple-600) 10%, transparent);
    color: var(--purple-600);
}

/* Pricing Section */
.pricing {
    padding: var(--section-padding);
    background-color: var(--gray-50);
}

.pricing-card {
    max-width: 48rem;
    margin: 0 auto;
    background-color: var(--white);
    border-radius: 0.75rem;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 2px solid var(--itnoa-green);
    display: flex;
    flex-direction: column;
}

@media (min-width: 1024px) {
    .pricing-card {
        flex-direction: row;
    }
}

.pricing-left {
    text-align: center;
    padding: 2rem;
    background-color: var(--white);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
}

.pricing-right {
    padding: 2rem;
    background-color: var(--gray-50);
    flex: 1;
}

.pricing-icon {
    width: 4rem;
    height: 4rem;
    background-color: var(--green-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    color: var(--itnoa-green);
}

.pricing-left h3 {
    color: var(--itnoa-dark);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
    margin-bottom: 0.5rem;
}

.price-amount {
    font-size: 3rem;
    font-weight: 700;
    color: var(--itnoa-green);
}

.pricing-description {
    color: var(--gray-600);
    margin: 0;
}

.pricing-features {
    margin-bottom: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: var(--gray-600);
}

.feature-item svg {
    color: var(--itnoa-green);
    flex-shrink: 0;
}

.pricing-cta {
    margin-top: auto;
}

/* Documentation Section */
.docs {
    padding: var(--section-padding);
    background-color: var(--white);
}

.docs-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 100%;
}

@media (min-width: 1024px) {
    .docs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.docs-card {
    background-color: var(--gray-50);
    border-radius: 0.75rem;
    overflow: hidden;
    border: 1px solid var(--gray-200);
    max-width: 100%;
}

.docs-header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 2rem;
    border-bottom: 1px solid var(--gray-200);
}

.docs-icon {
    width: 3rem;
    height: 3rem;
    background-color: var(--itnoa-green);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    flex-shrink: 0;
}

.docs-icon.icon-js {
    background-color: var(--yellow-600);
    font-size: 1.5rem;
}

.docs-header h3 {
    margin-bottom: 0.5rem;
}

.docs-header p {
    margin: 0;
    font-size: 0.875rem;
}

.code-example {
    margin-bottom: 1.5rem;
    max-width: 100%;
    overflow: hidden;
}

.code-example-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background-color: var(--gray-100);
    border-bottom: 1px solid var(--gray-200);
    font-size: 0.875rem;
    font-weight: 500;
}

.code-badge {
    background-color: var(--gray-600);
    color: var(--white);
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
}

.code-content {
    background-color: var(--gray-900);
    color: #10b981;
    padding: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    line-height: 1.5;
    margin: 0;
    overflow-x: auto;
    max-width: 100%;
    white-space: pre-wrap;
    word-break: break-all;
}

@media (min-width: 640px) {
    .code-content {
        font-size: 0.875rem;
        white-space: pre;
        word-break: normal;
    }
}

.success-response {
    padding: 0 2rem 2rem;
}

.success-response h4 {
    color: var(--itnoa-green);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.api-response {
    padding: 0 2rem 2rem;
}

.api-response h4 {
    color: var(--blue-600);
    margin-bottom: 1rem;
    font-size: 1rem;
}

/* WhatsApp Setup Section */
.whatsapp-setup {
    padding: var(--section-padding);
    background-color: var(--gray-50);
}

.setup-steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

@media (min-width: 768px) {
    .setup-steps {
        grid-template-columns: repeat(3, 1fr);
    }
}

.setup-step {
    text-align: center;
    background-color: var(--white);
    padding: 2rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
}

.step-number {
    width: 3rem;
    height: 3rem;
    background-color: var(--itnoa-green);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 auto 1rem;
}

.setup-step:nth-child(2) .step-number {
    background-color: var(--blue-600);
}

.setup-step:nth-child(3) .step-number {
    background-color: var(--purple-600);
}

.setup-step h3 {
    margin-bottom: 1rem;
}

.setup-cta {
    text-align: center;
}

/* Built with Love Section */
.built-with-love {
    padding: 2rem 0;
    background-color: var(--white);
    border-top: 1px solid var(--gray-200);
}

.love-message {
    text-align: center;
    color: var(--gray-600);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.love-message svg {
    color: #ef4444;
}

.love-message a {
    color: var(--itnoa-green);
    font-weight: 500;
}

/* Registration Section */
.register {
    padding: var(--section-padding);
    background-color: var(--gray-50);
}

.register-content {
    max-width: 40rem;
    margin: 0 auto;
}

@media (min-width: 1024px) {
    .register-content {
        max-width: 48rem;
    }
}

.register-header {
    text-align: center;
    margin-bottom: 3rem;
}

.register-form {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

@media (min-width: 1024px) {
    .register-form {
        padding: 3rem;
    }
}

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

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--gray-300);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--itnoa-green);
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.1);
}

.form-help {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-top: 0.25rem;
}

.form-help a {
    color: var(--itnoa-green);
    text-decoration: underline;
}

.checkbox-label {
    display: flex !important;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
    font-weight: 400 !important;
}

.checkbox-label input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    width: 0;
    height: 0;
}

.checkmark {
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--gray-300);
    border-radius: 0.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background-color: var(--itnoa-green);
    border-color: var(--itnoa-green);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    color: var(--white);
    font-size: 0.875rem;
    font-weight: 700;
}

.error-message {
    color: var(--red-600);
    font-size: 0.875rem;
    margin-top: 0.25rem;
    opacity: 0;
    transition: opacity 0.2s;
}

.error-message.show {
    opacity: 1;
}

/* Form Loading State */
.register-form.loading {
    opacity: 0.7;
    pointer-events: none;
}

/* Footer */
.footer {
    background-color: var(--gray-900);
    color: var(--gray-300);
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr 2fr;
        gap: 3rem;
    }
}

.footer-logo {
    max-width: 20rem;
}

.footer-logo p {
    color: var(--gray-400);
    margin: 1rem 0 1.5rem 0;
    line-height: 1.6;
}

.footer-logo .footer-social {
    display: flex;
    gap: 1rem;
    margin-bottom: 0;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(8rem, 1fr));
    gap: 2rem;
}

.footer-section h4 {
    color: var(--white);
    font-size: 1rem;
    margin-bottom: 1rem;
}

.footer-section a {
    display: block;
    color: var(--gray-400);
    margin-bottom: 0.5rem;
    transition: color 0.2s;
}

.footer-section a:hover {
    color: var(--itnoa-green);
    text-decoration: none;
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-700);
}

@media (min-width: 640px) {
    .footer-bottom {
        flex-direction: row;
    }
}

.footer-bottom p {
    color: var(--gray-400);
    font-size: 0.875rem;
    margin: 0;
}

.footer-tagline {
    font-style: italic;
    color: var(--gray-500);
}

.footer-social a {
    color: var(--gray-400);
    transition: color 0.2s;
}

.footer-social a:hover {
    color: var(--itnoa-green);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    padding: 1rem;
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: var(--white);
    border-radius: 0.75rem;
    max-width: 28rem;
    width: 100%;
    box-shadow: var(--shadow-xl);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal.show .modal-content {
    transform: scale(1);
}

.modal-header {
    text-align: center;
    padding: 2rem 2rem 1rem;
}

.success-icon {
    width: 4rem;
    height: 4rem;
    background-color: var(--itnoa-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: var(--white);
}

.modal-header h3 {
    margin-bottom: 0.5rem;
}

.modal-header p {
    color: var(--gray-600);
    margin: 0;
}

.modal-body {
    padding: 0 2rem;
}

.api-key-info h4 {
    color: var(--itnoa-green);
    margin-bottom: 0.75rem;
}

.api-key-info ol {
    color: var(--gray-600);
    padding-left: 1.25rem;
}

.api-key-info li {
    margin-bottom: 0.5rem;
}

.modal-footer {
    display: flex;
    gap: 1rem;
    padding: 1rem 2rem 2rem;
}

.modal-footer .btn {
    flex: 1;
}

/* Mobile Navigation */
@media (max-width: 767px) {
    .nav-menu.show {
        display: flex;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--white);
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--shadow-lg);
        border-top: 1px solid var(--gray-200);
    }
}

/* Responsive Typography */
@media (max-width: 640px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1.125rem;
    }
}

/* Ensure all content stays within viewport */
* {
    max-width: 100%;
}

/* Fix code overflow issues */
pre, code {
    max-width: 100%;
    overflow-x: auto;
}

/* Ensure grid items don't overflow */
.docs-grid > * {
    min-width: 0;
}

.features-grid > * {
    min-width: 0;
}

/* Additional responsive fixes */
@media (max-width: 480px) {
    .container {
        padding: 0 0.75rem;
    }
    
    .code-content {
        font-size: 0.625rem;
        padding: 1rem;
    }
    
    .register-form {
        padding: 1.5rem;
    }
    
    .hero-buttons {
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 20rem;
    }
}

/* Scroll to Top Button */
.scroll-top-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--itnoa-green) 0%, var(--green-600) 100%);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 4px 16px rgba(22, 163, 74, 0.3); /* green-600 with opacity */
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

.scroll-top-btn.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(22, 163, 74, 0.4);
}