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

::selection {
    background-color: #1a1a1a;
    color: white;
}

:root {
    /* Colors - Matching atollpayments.com */
    --bg-primary: #FAFAFA;
    --bg-secondary: #F9F9F7;
    --text-primary: #1A1A1A;
    --text-primary-hover: #333333;
    --text-secondary: #666666;
    --text-hover: #444444;
    --accent: #0066CC;
    --border: #E5E5E5;
    --success-color: #10b981;
    --warning-color: #f59e0b;

    /* Typography */
    --font-heading: 'Libre Baskerville', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Font sizes */
    --text-hero: clamp(3rem, 6vw, 5rem);
    --text-h1: clamp(2.25rem, 4vw, 3.5rem);
    --text-h2: clamp(1.75rem, 3vw, 2.5rem);
    --text-h3: clamp(1.25rem, 2vw, 1.5rem);
    --text-body: 1.125rem;
    --text-body-lg: 1.25rem;
    --text-small: 0.875rem;

    /* Line heights */
    --leading-tight: 1.15;
    --leading-normal: 1.6;
    --leading-relaxed: 1.75;

    /* Letter spacing */
    --tracking-tight: -0.02em;
    --tracking-normal: 0;
    --tracking-wide: 0.05em;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;
    --space-2xl: 12rem;

    /* Container */
    --max-width: 720px;
    --max-width-wide: 1200px;
    --gutter: clamp(1.5rem, 5vw, 4rem);

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: var(--text-body);
    line-height: var(--leading-relaxed);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3 {
    font-family: var(--font-heading);
    font-weight: 400;
    letter-spacing: var(--tracking-tight);
    line-height: var(--leading-tight);
    color: var(--text-primary);
}

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

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #F5F3EF;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: none;
    z-index: 1000;
    padding: 1.25rem 0;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo a {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: var(--tracking-tight);
    color: var(--text-primary);
    text-decoration: none;
}

.nav-logo a:hover {
    color: var(--text-hover);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-links a.btn-primary {
    color: #FFFFFF;
}

.nav-links a.btn-primary:hover {
    color: #FFFFFF;
}

.nav-link-text {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
}

.nav-link-text:hover {
    color: var(--text-hover);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-primary);
    padding: 0.5rem;
}

/* Buttons */
.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
    text-decoration: none;
    transition: background 0.2s ease, transform 0.2s ease, color 0.2s ease;
    cursor: pointer;
    border: none;
    font-size: var(--text-small);
}

.btn-primary {
    background: var(--text-primary);
    color: #FFFFFF;
}

.btn-primary:hover {
    background: var(--text-primary-hover);
    transform: translateY(-1px);
    color: #FFFFFF;
}

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

.btn-secondary:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
}

.btn-large {
    padding: 0.625rem 1.25rem;
    font-size: var(--text-small);
}

/* Hero Section */
.hero {
    padding: var(--space-md) 0 var(--space-lg) 0;
    padding-top: calc(var(--space-md) + 70px);
    background-color: #F5F3EF;
    text-align: left;
    min-height: 100vh;
    display: flex;
    align-items: flex-start;
}

.hero-content {
    max-width: 900px;
}

.hero-label {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    background-color: var(--text-primary);
    color: #FFFFFF;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.75rem;
    margin-bottom: var(--space-sm);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 400;
    line-height: 1.05;
    margin-bottom: var(--space-sm);
    letter-spacing: -0.03em;
}

.hero-divider {
    width: 100vw;
    margin-left: calc(-1 * var(--gutter));
    height: 1px;
    background-image: radial-gradient(circle, var(--text-secondary) 1px, transparent 1px);
    background-size: 8px 1px;
    margin-top: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.hero-subtitle {
    font-size: var(--text-body-lg);
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    line-height: var(--leading-normal);
    max-width: 600px;
}

.hero-cta {
    display: flex;
    gap: var(--space-sm);
    justify-content: flex-start;
    margin-bottom: var(--space-md);
}

/* Integrations Showcase */
.integrations-showcase {
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--border);
}

.integrations-intro {
    font-size: var(--text-small);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    margin-bottom: var(--space-sm);
    font-weight: 500;
}

.underline-dashed {
    text-decoration: underline;
    text-decoration-style: dashed;
    text-underline-offset: 3px;
    color: var(--text-primary);
}

.integrations-list {
    font-size: var(--text-small);
    color: var(--text-secondary);
    font-weight: 400;
}

.system-name {
    color: var(--text-primary);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
}

.hero-stats {
    display: flex;
    gap: var(--space-lg);
    justify-content: flex-start;
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border);
}

.stat {
    text-align: left;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: var(--text-h2);
    font-weight: 400;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: var(--text-small);
    color: var(--text-secondary);
    font-weight: 500;
}

/* Audience Section */
.audience-section {
    padding: var(--space-lg) 0;
    background-color: var(--text-primary);
    color: #FFFFFF;
}

.audience-section .container {
    max-width: 100%;
}

.audience-grid {
    display: flex;
    flex-direction: row;
    gap: var(--space-lg);
    width: 100%;
}

.audience-card {
    flex: 1;
    padding: var(--space-md) 0;
}

.audience-label {
    display: inline-block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    color: #94a3b8;
    margin-bottom: var(--space-sm);
    font-weight: 500;
}

.audience-section h2 {
    font-size: var(--text-h2);
    font-weight: 400;
    margin-bottom: var(--space-sm);
    color: #FFFFFF;
}

.audience-section p {
    font-size: var(--text-body);
    color: #94a3b8;
    line-height: var(--leading-normal);
    margin: 0;
}

/* Section Headers */
.section-header {
    text-align: left;
    margin-bottom: var(--space-lg);
}

.section-label {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: var(--text-small);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    margin-bottom: var(--space-sm);
    border: 1px solid var(--border);
}

.section-header h2 {
    font-size: var(--text-h1);
    font-weight: 400;
    margin-bottom: var(--space-sm);
    letter-spacing: var(--tracking-tight);
}

/* Features Section */
.features-section {
    padding: var(--space-xl) 0;
    background-color: var(--bg-primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-md);
}

.feature-card {
    padding: var(--space-md);
    background-color: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: border-color 0.2s ease;
    cursor: pointer;
}

.feature-card:hover {
    border-color: var(--text-secondary);
}

.feature-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.feature-header h3 {
    flex: 1;
    margin: 0;
}

.feature-toggle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    font-weight: 300;
    transition: transform 0.2s ease;
}

.feature-card.expanded .feature-toggle {
    transform: rotate(45deg);
}

.feature-content {
    display: none;
    margin-top: var(--space-sm);
    padding-top: var(--space-sm);
    border-top: 1px solid var(--border);
}

.feature-card.expanded .feature-content {
    display: block;
}

.feature-icon {
    font-size: 1.5rem;
}

.feature-card h3 {
    font-size: var(--text-h3);
    font-weight: 400;
    margin-bottom: var(--space-xs);
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
    line-height: var(--leading-normal);
    font-size: var(--text-body);
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding: var(--space-xs) 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    font-size: var(--text-small);
}

.feature-list li:before {
    content: "—";
    color: var(--text-secondary);
    margin-right: var(--space-sm);
}

/* How It Works Section */
.how-it-works {
    padding: var(--space-xl) 0;
    background-color: var(--bg-secondary);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-md);
}

.step {
    text-align: left;
    padding: var(--space-md);
    padding-left: 0;
}

.step-number {
    width: 48px;
    height: 48px;
    margin: 0 0 var(--space-sm) 0;
    background: var(--text-primary);
    color: var(--bg-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 400;
}

.step h3 {
    font-size: var(--text-h3);
    font-weight: 400;
    margin-bottom: var(--space-xs);
    color: var(--text-primary);
}

.step p {
    color: var(--text-secondary);
    line-height: var(--leading-normal);
    font-size: var(--text-body);
}

/* Benefits Section */
.benefits-section {
    padding: var(--space-xl) 0;
    background-color: var(--bg-primary);
}

.benefits-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    align-items: center;
}

.benefits-text h2 {
    font-size: var(--text-h1);
    font-weight: 400;
    margin-bottom: var(--space-md);
}

.benefit-item {
    margin-bottom: var(--space-md);
}

.benefit-item h3 {
    font-size: var(--text-h3);
    font-weight: 400;
    margin-bottom: var(--space-xs);
    color: var(--text-primary);
}

.benefit-item p {
    color: var(--text-secondary);
    line-height: var(--leading-normal);
}

/* Dashboard Preview */
.benefits-visual {
    position: relative;
}

.dashboard-preview {
    background: var(--text-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
}

.dashboard-card {
    background-color: var(--bg-primary);
    border-radius: var(--radius-md);
    padding: var(--space-md);
}

.card-header {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 400;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.card-stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border);
}

.card-stat:last-child {
    border-bottom: none;
}

.card-stat .stat-label {
    color: var(--text-secondary);
    font-size: var(--text-small);
}

.card-stat .stat-value {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--text-primary);
}

.stat-change {
    font-size: var(--text-small);
    font-weight: 500;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
}

.stat-change.positive {
    color: var(--success-color);
    background-color: rgba(16, 185, 129, 0.1);
}

.stat-change.neutral {
    color: var(--text-secondary);
    background-color: var(--bg-secondary);
}

/* Social Proof Section */
.social-proof {
    padding: var(--space-xl) 0;
    background-color: var(--bg-secondary);
}

.testimonials {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.testimonial {
    background-color: var(--bg-primary);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

.testimonial-text {
    font-size: var(--text-body);
    line-height: var(--leading-normal);
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
}

.testimonial-author strong {
    color: var(--text-primary);
    font-weight: 600;
}

.testimonial-author span {
    color: var(--text-secondary);
    font-size: var(--text-small);
}

/* CTA Section */
.cta-section {
    padding: var(--space-xl) 0;
    background: var(--text-primary);
    color: var(--bg-primary);
    text-align: left;
}

.cta-content h2 {
    font-size: var(--text-h1);
    font-weight: 400;
    margin-bottom: var(--space-sm);
    color: var(--bg-primary);
}

.cta-content p {
    font-size: var(--text-body);
    margin-bottom: var(--space-md);
    opacity: 0.9;
    color: #94a3b8;
    max-width: 700px;
}

.cta-buttons {
    display: flex;
    gap: var(--space-sm);
    justify-content: flex-start;
    margin-bottom: var(--space-sm);
}

.cta-section .btn-primary {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

.cta-section .btn-primary:hover {
    background-color: var(--bg-secondary);
}

.cta-section .btn-secondary {
    border-color: rgba(255, 255, 255, 0.3);
    color: var(--bg-primary);
}

.cta-section .btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.cta-note {
    font-size: var(--text-small);
    opacity: 0.7;
    color: #94a3b8;
}

/* Footer */
.footer {
    background-color: var(--text-primary);
    color: var(--bg-primary);
    padding: var(--space-lg) 0 var(--space-md) 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.footer-section h4 {
    margin-bottom: var(--space-sm);
    font-family: var(--font-heading);
    font-weight: 400;
    font-size: 1rem;
}

.footer-section p {
    color: #94a3b8;
    line-height: var(--leading-normal);
    font-size: var(--text-small);
}

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

.footer-section ul li {
    margin-bottom: var(--space-xs);
}

.footer-section a {
    color: #94a3b8;
    text-decoration: none;
    font-size: var(--text-small);
    transition: color 0.2s ease;
}

.footer-section a:hover {
    color: var(--bg-primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: #94a3b8;
    font-size: var(--text-small);
}

.footer-links {
    display: flex;
    gap: var(--space-md);
}

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    font-size: var(--text-small);
}

.footer-links a:hover {
    color: var(--bg-primary);
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --text-h1: 2rem;
        --text-h2: 1.5rem;
        --text-body: 1rem;
        --text-body-lg: 1.125rem;
        --space-xl: 4rem;
        --space-2xl: 6rem;
    }

    .hero {
        min-height: auto;
        padding-top: calc(var(--space-lg) + 70px);
        padding-bottom: var(--space-lg);
    }

    .hero-title {
        font-size: clamp(2.25rem, 10vw, 3.5rem);
    }

    .hero-cta {
        flex-direction: row;
        align-items: center;
    }

    .hero-cta .btn-large {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .audience-grid {
        flex-direction: column;
    }

    .section-header h2 {
        font-size: var(--text-h2);
    }

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

    .benefits-content {
        grid-template-columns: 1fr;
    }

    .cta-content h2 {
        font-size: var(--text-h2);
    }

    .cta-buttons {
        flex-direction: row;
    }

    .cta-buttons .btn-large {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --gutter: 1.5rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .feature-card,
    .testimonial {
        padding: var(--space-sm);
    }
}

/* Accessibility */
a:focus,
button:focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* Logo Styling */
.logo-grayscale {
    filter: grayscale(100%);
    opacity: 0.7;
    transition: filter 0.3s ease, opacity 0.3s ease;
}

.logo-grayscale:hover {
    filter: grayscale(0%);
    opacity: 1;
}

/* Integrations Section */
.integrations-section {
    background-color: #F5F3EF;
    padding: var(--space-lg) 0;
}

.integrations-title {
    text-align: center;
    font-size: var(--text-h2);
    margin-bottom: var(--space-lg);
}

.integrations-card {
    background: #FFFFFF;
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    border: 1px solid var(--border);
    margin-bottom: var(--space-md);
}

.integrations-card:last-child {
    margin-bottom: 0;
}

.integrations-card-title {
    font-size: var(--text-h3);
    margin-bottom: 1.5rem;
    font-weight: 400;
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.platform-item {
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.platform-logo {
    width: 40px;
    height: 40px;
    object-fit: contain;
    flex-shrink: 0;
}

.platform-name {
    font-weight: 500;
}

.platform-name-small {
    font-size: 0.85rem;
}

.toggle-button-wrapper {
    text-align: center;
    margin-top: 1rem;
}

.toggle-button {
    background: none;
    border: 1px solid var(--border);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: var(--text-small);
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.toggle-button:hover {
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

.more-platforms {
    display: none;
    margin-top: 1rem;
}

/* Responsive Integrations */
@media (max-width: 992px) {
    .platform-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

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

    .audience-grid {
        flex-direction: column;
        gap: var(--space-md);
    }

    .audience-card {
        padding: var(--space-sm) 0;
    }
}

@media (max-width: 480px) {
    .platform-grid {
        grid-template-columns: 1fr;
    }

    .platform-item {
        padding: 0.75rem;
    }

    .integrations-card {
        padding: var(--space-sm);
    }
}

/* ==========================================
   SIGNUP MODAL STYLES
   ========================================== */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 2000;
    overflow-y: auto;
    padding: var(--space-md);
}

.modal.open {
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

.modal-content {
    background: #FFFFFF;
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    padding: var(--space-md);
    position: relative;
    margin: auto;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.modal-close {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: background-color 0.2s ease, color 0.2s ease;
}

.modal-close:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

/* Progress Bar */
.progress-bar {
    height: 4px;
    background-color: var(--border);
    border-radius: 2px;
    margin-bottom: var(--space-xs);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.step-indicator {
    font-size: var(--text-small);
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

/* Step Content */
.signup-step {
    display: none;
}

.signup-step.active {
    display: block;
}

.signup-step h2 {
    font-size: var(--text-h3);
    margin-bottom: var(--space-xs);
}

.step-description {
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
    font-size: var(--text-small);
}

/* Form Elements */
.form-group {
    margin-bottom: var(--space-md);
}

.form-group > label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--space-xs);
    font-size: var(--text-small);
    color: var(--text-primary);
}

.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: var(--text-body);
    font-family: var(--font-body);
    background-color: #FFFFFF;
    cursor: pointer;
    transition: border-color 0.2s ease;
}

.form-group select:focus {
    outline: none;
    border-color: var(--text-primary);
}

.form-group input[type="tel"],
.form-group input[type="email"],
.form-group input[type="text"],
.form-group .form-input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: var(--text-body);
    font-family: var(--font-body);
    transition: border-color 0.2s ease;
}

.form-group input[type="tel"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="text"]:focus,
.form-group .form-input:focus {
    outline: none;
    border-color: var(--text-primary);
}

/* Slider */
.slider-group .form-slider {
    width: 100%;
    height: 6px;
    margin-bottom: 0.75rem;
    -webkit-appearance: none;
    appearance: none;
    background: var(--border);
    border-radius: 3px;
    outline: none;
    cursor: pointer;
}

.form-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--text-primary);
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.1s ease;
}

.form-slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

.form-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--text-primary);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

.form-slider::-moz-range-thumb:hover {
    transform: scale(1.1);
}


/* Radio & Checkbox Groups */
.radio-group,
.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.radio-group-vertical {
    flex-direction: column;
}

.radio-option,
.checkbox-option {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.radio-option input,
.checkbox-option input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.radio-option span,
.checkbox-option span {
    display: inline-block;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: var(--text-small);
    transition: all 0.2s ease;
    background-color: #FFFFFF;
}

.radio-option:hover span,
.checkbox-option:hover span {
    border-color: var(--text-secondary);
}

.radio-option input:checked + span,
.checkbox-option input:checked + span {
    background-color: var(--text-primary);
    color: #FFFFFF;
    border-color: var(--text-primary);
}

/* System Grid */
.system-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.4rem;
}

.system-option {
    cursor: pointer;
}

.system-option input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.system-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0.4rem 0.25rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
    background: #FFFFFF;
    min-height: 50px;
}

.system-card img {
    width: 24px;
    height: 24px;
    object-fit: contain;
    margin-bottom: 0.15rem;
}

.system-card span {
    font-size: 0.65rem;
    color: var(--text-secondary);
    text-align: center;
}

.system-card .system-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 0.15rem;
}

.system-option:hover .system-card {
    border-color: var(--text-secondary);
}

.system-option input:checked + .system-card {
    border-color: var(--text-primary);
    background-color: var(--bg-secondary);
}

.system-option input:checked + .system-card span {
    color: var(--text-primary);
}

/* Other input textbox */
.other-input {
    width: 100%;
    margin-top: 0.75rem;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: var(--text-body);
    font-family: var(--font-body);
    transition: border-color 0.2s ease;
}

.other-input:focus {
    outline: none;
    border-color: var(--text-primary);
}

/* Contact Toggle */
.contact-toggle {
    display: flex;
    gap: 0;
    margin-bottom: var(--space-md);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.contact-toggle-btn {
    flex: 1;
    padding: 0.75rem;
    border: none;
    background: #FFFFFF;
    cursor: pointer;
    font-size: var(--text-small);
    font-weight: 500;
    font-family: var(--font-body);
    transition: all 0.2s ease;
    color: var(--text-secondary);
}

.contact-toggle-btn:first-child {
    border-right: 1px solid var(--border);
}

.contact-toggle-btn.active {
    background-color: var(--text-primary);
    color: #FFFFFF;
}

.contact-toggle-btn:hover:not(.active) {
    background-color: var(--bg-secondary);
}

/* Required asterisk */
.required {
    color: #dc2626;
}

/* Optional label */
.optional {
    color: var(--text-secondary);
    font-weight: 400;
    font-size: var(--text-small);
}

/* Phone input with country code */
.phone-input-wrapper {
    display: flex !important;
    flex-direction: row !important;
    align-items: stretch;
}

.country-code-select {
    width: 130px !important;
    max-width: 130px !important;
    flex: 0 0 130px !important;
    padding: 0.75rem 0.75rem;
    font-size: 1rem;
    font-family: var(--font-body);
    border: 1px solid var(--border);
    border-right: none;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    background-color: #f5f5f5;
    cursor: pointer;
    color: #1a1a1a !important;
    -webkit-text-fill-color: #1a1a1a !important;
}

.country-code-select option {
    color: #1a1a1a !important;
    background-color: #fff;
}

.country-code-select:focus {
    outline: none;
    border-color: var(--accent);
}

.phone-input-wrapper .phone-input {
    flex: 1 1 auto !important;
    width: auto !important;
    border-radius: 0 var(--radius-md) var(--radius-md) 0 !important;
    border-left: none !important;
}

/* Form hint */
.form-hint {
    font-size: var(--text-small);
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

/* Form Error */
.form-error {
    color: #dc2626;
    font-size: var(--text-small);
    margin-top: var(--space-xs);
    margin-bottom: var(--space-sm);
}

/* OTP Input */
.otp-input {
    font-size: 1.5rem;
    letter-spacing: 0.5rem;
    text-align: center;
    font-weight: 600;
}

/* Resend text */
.resend-text {
    font-size: var(--text-small);
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: var(--space-md);
}

.resend-text a {
    color: var(--text-primary);
    text-decoration: underline;
}

/* Buttons */
.btn-full {
    width: 100%;
}

.step-buttons {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.step-buttons .btn-secondary {
    flex: 0 0 auto;
}

.step-buttons .btn-primary,
.step-buttons .btn-next {
    flex: 1;
}

/* Success Screen */
.success-icon {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-md);
}

.waitlist-position {
    font-size: var(--text-body-lg);
    text-align: center;
    margin-bottom: var(--space-xs);
}

.waitlist-position strong {
    font-size: var(--text-h2);
    color: var(--text-primary);
}

.success-message {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.signup-step[data-step="4"] h2 {
    text-align: center;
}

/* Loading State */
.submit-loading {
    text-align: center;
    padding: var(--space-lg) 0;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--text-primary);
    border-radius: 50%;
    margin: 0 auto var(--space-sm);
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.submit-loading p {
    color: var(--text-secondary);
}

/* Error State */
.submit-error {
    text-align: center;
    padding: var(--space-md) 0;
}

.submit-error p {
    color: #dc2626;
    margin-bottom: var(--space-md);
}

/* Modal Responsive */
@media (max-width: 768px) {
    .modal {
        padding: 0;
        align-items: stretch;
    }

    .modal.open {
        display: block;
    }

    .modal-content {
        width: 100%;
        min-height: 100%;
        max-width: 100%;
        border-radius: 0;
        padding: var(--space-md);
        padding-bottom: calc(var(--space-md) + env(safe-area-inset-bottom));
        display: flex;
        flex-direction: column;
        box-shadow: none;
        margin: 0;
    }

    .signup-step {
        flex: 1;
        display: none;
        flex-direction: column;
    }

    .signup-step.active {
        display: flex;
    }

    .signup-step h2 {
        font-size: 1.75rem;
        margin-bottom: var(--space-sm);
    }

    .step-description {
        font-size: 1rem;
        margin-bottom: var(--space-sm);
    }

    .form-group {
        margin-bottom: var(--space-lg);
    }

    .form-group > label {
        font-size: 1rem;
        margin-bottom: var(--space-sm);
    }

    .signup-step .btn-full {
        margin-top: auto;
    }

    .signup-step .step-buttons {
        margin-top: auto;
    }

    .radio-group:not(.radio-group-vertical) {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .radio-option span,
    .checkbox-option span {
        padding: 0.6rem 1rem;
        font-size: 1rem;
    }

    .checkbox-group {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .step-buttons {
        flex-direction: row;
        gap: 0.75rem;
    }

    .step-buttons .btn-secondary,
    .step-buttons .btn-primary {
        flex: 1;
        padding: 0.875rem 1rem;
    }

    .btn-full {
        padding: 0.875rem 1rem;
    }

    .system-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 0.4rem;
    }

    .system-card {
        padding: 0.5rem 0.3rem;
        min-height: 55px;
    }

    .system-card img {
        width: 24px;
        height: 24px;
    }

    .system-card span {
        font-size: 0.65rem;
    }
}

/* Prevent body scroll when modal is open */
body.modal-open {
    overflow: hidden;
}

/* Extra small screens */
@media (max-width: 480px) {
    .modal-content {
        padding: 1.25rem;
    }

    .signup-step h2 {
        font-size: 1.5rem;
    }

    .step-description {
        font-size: 0.9rem;
    }

    .form-group > label {
        font-size: 0.9rem;
    }

    .radio-option span,
    .checkbox-option span {
        padding: 0.5rem 0.75rem;
        font-size: 0.9rem;
    }

    .form-group select,
    .form-group input[type="tel"],
    .form-group input[type="email"] {
        padding: 0.75rem;
        font-size: 1rem;
    }

    .contact-toggle-btn {
        padding: 0.75rem;
        font-size: 0.9rem;
    }
}