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

:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #60a5fa;
    --accent: #1e40af;
    --success: #059669;
    --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: #0f172a;
    --white: #ffffff;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-900);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.header {
    position: sticky;
    top: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    z-index: 100;
    padding: 16px 0;
}

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

.logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-900);
    letter-spacing: -0.02em;
}

.nav {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-link {
    color: var(--gray-600);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--gray-900);
}

.hero-section {
    padding: 120px 0 80px 0;
    background: var(--white);
    text-align: center;
    position: relative;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

h1 {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.1;
    color: var(--gray-900);
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-subheadline {
    font-size: 20px;
    color: var(--gray-600);
    margin-bottom: 48px;
    line-height: 1.5;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.practice-interface {
    background: transparent;
    border: none;
    border-radius: 16px;
    padding: 48px;
    margin-bottom: 32px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
    min-height: 400px;
}

.conversation-container {
    width: 100%;
    max-width: 800px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 16px;
}

.message-bubble {
    max-width: 70%;
    padding: 16px 20px;
    border-radius: 20px;
    font-size: 16px;
    line-height: 1.5;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message-bubble.assistant {
    align-self: flex-start;
    background: var(--white);
    color: var(--gray-900);
    border-bottom-left-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.message-bubble.user {
    align-self: flex-end;
    background: var(--primary);
    color: var(--white);
    border-bottom-right-radius: 4px;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}


.typing-indicator {
    width: 100%;
    max-width: 800px;
    display: flex;
    justify-content: flex-start;
    padding: 0;
    margin-bottom: 16px;
}

.typing-dots {
    display: flex;
    gap: 6px;
    padding: 16px 20px;
    background: var(--white);
    border-radius: 20px;
    border-bottom-left-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.typing-dots span {
    width: 8px;
    height: 8px;
    background: var(--gray-400);
    border-radius: 50%;
    animation: bounce 1.4s infinite ease-in-out;
}

.typing-dots span:nth-child(1) {
    animation-delay: -0.32s;
}

.typing-dots span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes bounce {
    0%, 80%, 100% {
        transform: scale(0);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}


.btn {
    padding: 14px 28px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn:active {
    transform: scale(0.98);
}

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

.btn-primary:hover {
    background: var(--primary-dark);
}

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

.btn-secondary {
    background: var(--white);
    color: var(--gray-900);
    border: 2px solid var(--gray-200);
}

.btn-secondary:hover {
    background: var(--gray-50);
    border-color: var(--gray-300);
}

.btn-secondary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-full {
    width: 100%;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
    font-size: 14px;
    color: var(--gray-600);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.social-proof-section {
    padding: 80px 0;
    background: var(--gray-50);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.testimonial-card {
    padding: 32px;
    background: var(--white);
    border-radius: 16px;
    border: 1px solid var(--gray-200);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.testimonial-text {
    font-size: 18px;
    line-height: 1.6;
    color: var(--gray-900);
    margin-bottom: 16px;
}

.testimonial-author {
    font-size: 14px;
    color: var(--gray-600);
    font-weight: 500;
}

.content-section {
    padding: 80px 0;
    background: var(--white);
}

.content-header {
    margin-bottom: 40px;
}

.section-icon-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
    text-align: center;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-title {
    font-size: 40px;
    font-weight: 700;
    color: var(--gray-900);
    text-align: center;
    margin-bottom: 48px;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.3;
}

h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-900);
    margin-top: 24px;
    margin-bottom: 12px;
}

.accordion {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.accordion-item {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.accordion-header {
    width: 100%;
    padding: 24px;
    background: transparent;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-family: inherit;
    transition: background 0.2s;
    text-align: left;
}

.accordion-header:hover {
    background: var(--gray-50);
}

.accordion-header h2,
.accordion-header h3 {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-900);
}

.accordion-icon {
    font-size: 24px;
    font-weight: 300;
    color: var(--gray-600);
    transition: transform 0.3s;
}

.accordion-item.active .accordion-icon {
    transform: rotate(45deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.accordion-item.active .accordion-content {
    max-height: 3000px;
    transition: max-height 0.5s ease-in;
}

.accordion-content > div {
    padding: 0 24px 24px 24px;
}

.accordion-content p {
    margin-bottom: 16px;
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-700);
}

.accordion-content ul {
    margin: 16px 0 16px 24px;
    color: var(--gray-700);
}

.accordion-content li {
    margin-bottom: 8px;
    font-size: 16px;
    line-height: 1.6;
}

.how-it-works-section {
    padding: 80px 0;
    background: var(--white);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}

.benefit-card {
    padding: 32px;
    background: var(--white);
    border-radius: 16px;
    border: 1px solid var(--gray-200);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    text-align: center;
}

.benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    border-color: var(--primary);
}

.benefit-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.benefit-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-900);
    margin: 0 0 12px 0;
    letter-spacing: -0.01em;
}

.benefit-description {
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-600);
    margin: 0;
}

.scenarios-section {
    padding: 80px 0;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('/asking a boss for a raise.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.scenarios-section .section-icon-title {
    color: #60a5fa;
}

.scenarios-section .section-title {
    color: var(--white);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.scenario-card {
    padding: 32px 24px;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.scenario-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.scenario-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 16px;
}

.faq-section {
    padding: 80px 0;
    background: var(--white);
}

.related-topics-section {
    padding: 80px 0;
    background: var(--gray-50);
}

.related-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
}

.related-link {
    color: var(--gray-900);
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    padding: 12px 20px;
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    background: var(--white);
    transition: all 0.3s;
}

.related-link:hover {
    background: var(--gray-50);
    border-color: var(--gray-300);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.sticky-bottom-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--white);
    border-top: 1px solid var(--gray-200);
    box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.1);
    padding: 16px 0;
    z-index: 90;
    transform: translateY(100%);
    transition: transform 0.3s;
}

.sticky-bottom-bar.visible {
    transform: translateY(0);
}

.bottom-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
}

.bottom-bar-text {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-900);
}

#bottomBarCta {
    white-space: nowrap;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    padding: 24px;
    opacity: 1;
    transition: opacity 0.3s;
}

.modal-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.modal {
    background: var(--white);
    border-radius: 16px;
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 40px;
    position: relative;
    animation: slideUp 0.3s ease-out;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    border: none;
    background: var(--gray-100);
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    color: var(--gray-700);
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: var(--gray-200);
    color: var(--gray-900);
}

.modal-header {
    text-align: center;
    margin-bottom: 32px;
}

.modal-emoji {
    font-size: 48px;
    margin-bottom: 16px;
}

.modal-header h2 {
    font-size: 28px;
    margin-bottom: 12px;
}

.modal-header p {
    font-size: 16px;
    color: var(--gray-600);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    margin-bottom: 24px;
}

.pricing-card {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    padding: 24px;
    position: relative;
    transition: all 0.3s;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.pricing-card-featured {
    background: var(--white);
    border: 2px solid var(--primary);
    transform: scale(1.05);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.2);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gray-900);
    color: var(--white);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.pricing-header h3 {
    font-size: 18px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
    color: var(--gray-900);
}

.pricing-body {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.pricing-feature {
    text-align: center;
    font-size: 14px;
    color: var(--gray-600);
}

.pricing-price {
    text-align: center;
    font-size: 32px;
    font-weight: 700;
    color: var(--gray-900);
}

.pricing-period {
    font-size: 16px;
    font-weight: 500;
    color: var(--gray-600);
}

.pricing-discount {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--success);
    margin-top: 4px;
}

.modal-later {
    display: block;
    width: 100%;
    padding: 16px;
    background: transparent;
    border: none;
    color: var(--gray-600);
    font-size: 15px;
    cursor: pointer;
    text-align: center;
    transition: color 0.2s;
    font-family: inherit;
}

.modal-later:hover {
    color: var(--gray-900);
}

.modal-feedback {
    max-width: 600px;
}

.feedback-content {
    margin-bottom: 24px;
}

.feedback-item {
    display: flex;
    gap: 12px;
    padding: 16px;
    background: var(--gray-50);
    border-radius: 8px;
    margin-bottom: 12px;
    border-left: 4px solid var(--gray-300);
}

.feedback-item.good {
    border-left-color: var(--success);
    background: rgba(5, 150, 105, 0.05);
}

.feedback-item.warning {
    border-left-color: #f59e0b;
    background: rgba(245, 158, 11, 0.05);
}

.feedback-item.bad {
    border-left-color: #ef4444;
    background: rgba(239, 68, 68, 0.05);
}

.feedback-icon {
    font-size: 20px;
    flex-shrink: 0;
}

.feedback-text {
    flex: 1;
    font-size: 15px;
    line-height: 1.5;
    color: var(--gray-700);
}

.hidden {
    display: none;
}
@media (max-width: 768px) {
    h1 {
        font-size: 40px;
    }

    .hero-subheadline {
        font-size: 18px;
    }

    h2 {
        font-size: 28px;
    }

    .section-title {
        font-size: 32px;
    }

    .hero-section,
    .social-proof-section,
    .content-section,
    .how-it-works-section,
    .scenarios-section,
    .faq-section,
    .related-topics-section {
        padding: 60px 0;
    }

    .practice-interface {
        padding: 32px 24px;
        gap: 32px;
    }

    .message-bubble {
        font-size: 15px;
        max-width: 80%;
    }

    .mic-button {
        width: 80px;
        height: 80px;
        font-size: 32px;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
    }

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

    .hero-stats {
        flex-direction: column;
        gap: 12px;
        align-items: center;
    }

    .bottom-bar-content {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }

    #bottomBarCta {
        width: 100%;
    }

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

    .pricing-card-featured {
        transform: scale(1);
    }

    .modal {
        padding: 24px;
    }

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

    .nav {
        gap: 16px;
    }

    .nav-link {
        font-size: 14px;
    }

    .accordion-content p,
    .accordion-content li {
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    h1 {
        font-size: 32px;
    }

    .practice-interface {
        padding: 24px 16px;
        gap: 24px;
    }

    .message-display {
        padding: 20px 24px;
    }

    .message-content {
        font-size: 16px;
    }
}

.stat-item::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    margin-right: 8px;
}

    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

.voice-input-area {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.voice-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.mic-button {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    border: none;
    background: var(--primary);
    color: var(--white);
    font-size: 40px;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
}

.mic-button:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
    box-shadow: 0 12px 32px rgba(59, 130, 246, 0.5);
}

.mic-button:active {
    transform: scale(0.95);
}

.mic-button.recording {
    background: #ef4444;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 8px 24px rgba(239, 68, 68, 0.4);
    }
    50% {
        box-shadow: 0 12px 40px rgba(239, 68, 68, 0.6);
    }
}

.mic-button.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}