:root {
    --navy: #1B3A52;
    --orange: #FF6B35;
    --cyan: #00C2D1;
    --light-bg: #F7F9FA;
    --white: #FFFFFF;
    --text-dark: #1a1a1a;
    --text-medium: #4a4a4a;
    --text-light: #6a6a6a;
    --border-color: #e0e0e0;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-dark);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-dark);
}

h1 {
    font-size: 3.5rem;
    font-weight: 800;
}

h2 {
    font-size: 2.5rem;
    font-weight: 700;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

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

.header {
    background: var(--navy);
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1.25rem 0;
}

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

.logo img {
    height: 36px;
    width: auto;
}

.nav {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav a {
    text-decoration: none;
    color: var(--white);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s;
}

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

.btn-signin {
    padding: 0.65rem 1.5rem;
    border: 2px solid var(--white);
    border-radius: 6px;
    color: var(--white) !important;
    font-weight: 600;
}

.btn-signin:hover {
    background: var(--white);
    color: var(--navy) !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255,255,255,0.25);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 26px;
    height: 2px;
    background: var(--navy);
    transition: all 0.3s;
}

.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: 1rem 2.25rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s;
    border: 2px solid transparent;
    cursor: pointer;
}

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

.btn-primary:hover {
    background: #E55A2A;
    border-color: #E55A2A;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255,107,53,0.25);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--orange);
}

.btn-secondary:hover {
    background: var(--orange);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255,107,53,0.25);
}

.btn-secondary-pricing {
    display: inline-block;
    padding: 1rem 2.25rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s;
    background: transparent;
    color: var(--orange);
    border: 2px solid var(--orange);
    cursor: pointer;
}

.btn-secondary-pricing:hover {
    background: var(--orange);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255,107,53,0.25);
}

.btn-large {
    padding: 1.25rem 3rem;
    font-size: 1.125rem;
}

.hero {
    background: linear-gradient(135deg, var(--navy) 0%, #2d5a7b 100%);
    color: var(--white);
    padding: 8rem 0;
    text-align: center;
}

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

.hero h1 {
    color: var(--white);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subheadline {
    font-size: 1.35rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    line-height: 1.6;
    font-weight: 400;
}

.hero-cta {
    display: flex;
    gap: 1.25rem;
    justify-content: center;
    flex-wrap: wrap;
}

.divider {
    width: 60px;
    height: 3px;
    background: var(--orange);
    margin: 1.5rem auto 2.5rem;
}

.white-divider {
    background: var(--white);
}

.problem-section {
    padding: 6rem 0;
    background: var(--white);
}

.problem-section h2 {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin-top: 3rem;
}

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

.problem-item strong {
    display: block;
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
    font-weight: 600;
}

.problem-item p {
    color: var(--text-light);
    line-height: 1.7;
}

.solution-section {
    padding: 6rem 0;
    background: var(--light-bg);
    text-align: center;
}

.solution-section .btn-primary {
    margin-top: 1rem;
}

.section-intro {
    max-width: 750px;
    margin: 0 auto 1.5rem;
    font-size: 1.125rem;
    color: var(--text-medium);
    line-height: 1.8;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    max-width: 700px;
    margin: 3rem auto 3rem;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-align: left;
    padding: 1.25rem;
    background: var(--white);
    border-radius: 8px;
}

.benefit-icon {
    width: 40px;
    height: 40px;
    background: var(--orange);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.benefit-icon svg {
    width: 20px;
    height: 20px;
}

.benefit-item strong {
    font-size: 1rem;
    font-weight: 600;
}

.how-it-works {
    padding: 6rem 0;
    background: var(--white);
    text-align: center;
}

.how-it-works .btn-primary {
    margin-top: 2rem;
}

.app-preview {
    padding: 6rem 0;
    background: var(--white);
}

.app-preview-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.app-preview-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.app-preview-text p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-medium);
    margin-bottom: 2rem;
}

.app-preview-image {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 12px 40px rgba(0,0,0,0.15);
    max-width: 500px;
}

.app-preview-image img {
    width: 100%;
    height: auto;
    display: block;
}

.use-cases-section {
    padding: 6rem 0;
    background: var(--light-bg);
    text-align: center;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
    margin-top: 3rem;
}

.use-case-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
    transition: all 0.3s;
    text-align: left;
}

.use-case-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.15);
}

.use-case-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    position: relative;
}

.use-case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s;
}

.use-case-card:hover .use-case-image img {
    transform: scale(1.05);
}

.use-case-card h3 {
    font-size: 1.35rem;
    margin: 1.5rem 1.75rem 0.75rem;
    color: var(--navy);
}

.use-case-card p {
    color: var(--text-medium);
    line-height: 1.7;
    margin: 0 1.75rem 1.75rem;
    font-size: 1rem;
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin: 3rem 0;
    text-align: left;
}

.step {
    padding: 2rem;
    background: var(--light-bg);
    border-radius: 12px;
    border-left: 4px solid var(--orange);
}

.step-icon-visual {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
}

.step-icon-visual svg {
    width: 180px;
    height: 140px;
}

.step-header {
    margin-bottom: 1rem;
}

.step-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--orange);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

.step h3 {
    margin-top: 0.5rem;
    font-size: 1.35rem;
}

.step p {
    color: var(--text-light);
    line-height: 1.7;
}

.features-section {
    padding: 6rem 0;
    background: var(--light-bg);
    text-align: center;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--white);
    padding: 2.5rem 2rem;
    border-radius: 12px;
    text-align: left;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    transition: all 0.3s;
    border: 2px solid transparent;
}

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

.feature-card.highlight {
    border-color: var(--cyan);
    position: relative;
}

.feature-card.highlight::before {
    content: 'AI';
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--cyan);
    color: var(--white);
    padding: 0.35rem 0.85rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.feature-card h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.7;
}

.pricing-section {
    padding: 6rem 0;
    background: var(--white);
    text-align: center;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
    max-width: 900px;
    margin: 3rem auto 2rem;
}

.pricing-card {
    background: var(--light-bg);
    padding: 3rem 2.5rem;
    border-radius: 16px;
    text-align: center;
    position: relative;
    border: 2px solid transparent;
}

.pricing-card.featured {
    background: var(--navy);
    color: var(--white);
    border-color: var(--orange);
    transform: scale(1.03);
}

.pricing-card.featured h3,
.pricing-card.featured .amount {
    color: var(--white);
}

.pricing-card.featured .pricing-features li {
    border-bottom-color: rgba(255,255,255,0.15);
}

.popular-badge {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--orange);
    color: var(--white);
    padding: 0.5rem 1.75rem;
    border-radius: 24px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.pricing-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-weight: 700;
}

.price {
    margin-bottom: 1rem;
}

.amount {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--navy);
}

.period {
    font-size: 1.125rem;
    color: var(--text-light);
    font-weight: 400;
}

.price-alt {
    font-size: 1rem;
    opacity: 0.8;
    margin-bottom: 2rem;
}

.pricing-features {
    list-style: none;
    margin: 2rem 0;
    text-align: left;
}

.pricing-features li {
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.95rem;
}

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

.pricing-note {
    margin-top: 2rem;
    color: var(--text-light);
    font-size: 0.9rem;
}

.contrast-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, #2d2d2d 0%, #1a1a1a 100%);
    color: var(--white);
    text-align: center;
}

.contrast-section .btn-primary {
    margin-top: 1rem;
}

.contrast-section h2 {
    color: var(--white);
}

.contrast-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4rem;
    margin: 3rem 0;
    text-align: left;
}

.contrast-col h3 {
    color: var(--white);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.contrast-list {
    list-style: none;
}

.contrast-list li {
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.15);
    font-size: 1.05rem;
}

.contrast-list li:last-child {
    border-bottom: none;
}

.contrast-list.success li {
    padding-left: 2rem;
    position: relative;
}

.contrast-list.success li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M20 6L9 17L4 12' stroke='%2300C2D1' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
}

.contrast-message {
    max-width: 750px;
    margin: 3rem auto 2.5rem;
    font-size: 1.2rem;
    line-height: 1.8;
    opacity: 0.95;
}

.testimonial-section {
    padding: 6rem 0;
    background: var(--light-bg);
    text-align: center;
}

.faq-section {
    padding: 6rem 0;
    background: var(--white);
    text-align: center;
}

.faq-intro {
    max-width: 800px;
    margin: 0 auto 3rem;
    font-size: 1.125rem;
    color: var(--text-medium);
}

.faq-categories {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    text-align: left;
}

@media (max-width: 968px) {
    .faq-categories {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

.faq-category {
    margin-bottom: 0;
}

.category-title {
    font-size: 1.5rem;
    color: var(--navy);
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--orange);
}

.faq-item {
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    background: var(--white);
}

.faq-question {
    width: 100%;
    padding: 1.5rem;
    background: var(--white);
    border: none;
    text-align: left;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-dark);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s;
}

.faq-question:hover {
    background: var(--light-bg);
}

.faq-question span {
    flex: 1;
    padding-right: 1rem;
}

.faq-icon {
    width: 24px;
    height: 24px;
    color: var(--orange);
    transition: transform 0.3s;
    flex-shrink: 0;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    background: var(--light-bg);
}

.faq-answer p {
    padding: 0 1.5rem;
    line-height: 1.8;
    color: var(--text-medium);
    margin-bottom: 1rem;
}

.faq-answer p:first-child {
    padding-top: 1rem;
}

.faq-answer p:last-child {
    padding-bottom: 1.5rem;
}

.faq-footer {
    margin-top: 3rem;
    font-size: 1.125rem;
    color: var(--text-medium);
}

.faq-footer a {
    color: var(--orange);
    text-decoration: none;
    font-weight: 600;
}

.faq-footer a:hover {
    text-decoration: underline;
}

.testimonial-card {
    max-width: 800px;
    margin: 3rem auto 0;
    background: var(--white);
    padding: 3.5rem 3rem;
    border-radius: 16px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
    position: relative;
}

.quote-mark {
    font-size: 6rem;
    line-height: 0;
    color: var(--orange);
    opacity: 0.2;
    position: absolute;
    top: 2rem;
    left: 2rem;
    font-family: Georgia, serif;
}

.testimonial-text {
    font-size: 1.5rem;
    font-style: italic;
    line-height: 1.7;
    margin-bottom: 2rem;
    color: var(--text-dark);
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.testimonial-author strong {
    font-size: 1.125rem;
    color: var(--navy);
}

.testimonial-author span {
    color: var(--text-light);
    font-size: 0.95rem;
}

.final-cta {
    padding: 7rem 0;
    background: var(--navy);
    color: var(--white);
    text-align: center;
}

.final-cta h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--white);
}

.final-subheadline {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
}

.signin-link {
    margin-top: 1.75rem;
    font-size: 1rem;
}

.signin-link a {
    color: var(--cyan);
    text-decoration: none;
    font-weight: 600;
}

.signin-link a:hover {
    text-decoration: underline;
}

.footer {
    background: #1a1a1a;
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-left {
    flex: 1;
    max-width: 400px;
}

.footer-right {
    flex-shrink: 0;
    width: 320px;
}

.footer-right h4 {
    color: var(--white);
    margin-bottom: 1rem;
    font-size: 1rem;
    font-weight: 600;
}

.footer-logo {
    height: 32px;
    width: auto;
    margin-bottom: 1rem;
}

.footer-left p {
    opacity: 0.7;
    line-height: 1.7;
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.5rem;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.7;
    transition: opacity 0.2s;
    font-size: 0.9rem;
}

.footer-links a:hover {
    opacity: 1;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
    text-align: center;
    opacity: 0.6;
    font-size: 0.9rem;
}


.contact-form {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    color: var(--white);
    font-family: inherit;
    font-size: 0.9rem;
    transition: all 0.3s;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--orange);
    background: rgba(255, 255, 255, 0.15);
}

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

.btn-contact {
    padding: 0.75rem 1.5rem;
    background: var(--orange);
    color: var(--white);
    border: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-contact:hover {
    background: #E55A2A;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
}

.btn-contact:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.form-message {
    font-size: 0.875rem;
    padding: 0.5rem 0;
    text-align: center;
    min-height: 1.5rem;
}

.form-message.success {
    color: var(--cyan);
}

.form-message.error {
    color: #ff6b6b;
}

@media (max-width: 968px) {
    .nav {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .hero {
        padding: 5rem 0;
    }

    .hero-subheadline {
        font-size: 1.15rem;
    }

    .problem-grid,
    .steps,
    .features-grid,
    .pricing-grid,
    .contrast-grid,
    .app-preview-content,
    .use-cases-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

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

    .footer-content {
        flex-direction: column;
        gap: 2.5rem;
    }

    .footer-left,
    .footer-right {
        max-width: 100%;
        width: 100%;
    }

    .testimonial-text {
        font-size: 1.25rem;
    }

    .final-cta h2 {
        font-size: 2.25rem;
    }

    .app-preview-text .divider {
        margin-left: auto !important;
        margin-right: auto;
    }
}

@media (max-width: 640px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .hero-cta {
        flex-direction: column;
        width: 100%;
    }

    .hero-cta a {
        width: 100%;
    }

    .testimonial-text {
        font-size: 1.125rem;
    }

    .quote-mark {
        font-size: 4rem;
        top: 1.5rem;
        left: 1.5rem;
    }
}
