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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #0f0f0f;
    background-color: #ffffff;
    overflow-x: hidden;
    letter-spacing: -0.01em;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    z-index: 1000;
    transition: all 0.2s ease;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    animation: rotate 20s linear infinite;
}

.nav-logo h2 {
    font-size: 27px;
    font-weight: 600;
    color: #0f0f0f;
    letter-spacing: -0.02em;
    margin: 0;
}

.nav-menu {
    display: flex;
    gap: 32px;
}

.nav-link {
    text-decoration: none;
    color: #525252;
    font-weight: 400;
    font-size: 14px;
    transition: color 0.2s ease;
    position: relative;
}

.nav-link:hover {
    color: #0f0f0f;
}

/* Hero Section */
.hero {
    padding: 120px 0 100px;
    background: #ffffff;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(600px circle at 50% 200px, rgba(0, 0, 0, 0.02), transparent);
}

.hero-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 5rem;
    font-weight: 600;
    line-height: 1.1;
    margin-bottom: 24px;
    color: #0f0f0f;
    letter-spacing: -0.03em;
}

.accent-text {
    color: #525252;
    font-weight: 400;
}

.hero-subtitle {
    font-size: 22px;
    color: #525252;
    margin-bottom: 40px;
    line-height: 1.6;
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: 16px;
}

.btn-primary, .btn-secondary {
    padding: 20px 40px;
    border: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    font-family: inherit;
}

.btn-primary {
    background: #0071e3;
    color: white;
    border: 1px solid #0071e3;
}

.btn-primary:hover {
    background: #005bb5;
    border-color: #005bb5;
}

.btn-secondary {
    background: transparent;
    color: #0f0f0f;
    border: 1px solid #e5e5e5;
}

.btn-secondary:hover {
    background: #f5f5f5;
    border-color: #d4d4d4;
}

.full-width {
    width: 100%;
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.mobile-interface {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-frame {
    width: 320px;
    height: 640px;
    background: #0f0f0f;
    border-radius: 32px;
    padding: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    position: relative;
}

.phone-frame::before {
    content: '';
    position: absolute;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 4px;
    background: #262626;
    border-radius: 2px;
}

.phone-header {
    background: #ffffff;
    border-radius: 24px 24px 0 0;
    padding: 12px 16px 0;
}

.status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    font-size: 12px;
    font-weight: 500;
    color: #0f0f0f;
}

.status-icons {
    display: flex;
    gap: 8px;
    align-items: center;
}

.signal {
    font-size: 8px;
    letter-spacing: 1px;
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0 16px;
    border-bottom: 1px solid #f0f0f0;
}

.app-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: #0f0f0f;
    margin: 0;
}

.header-status {
    font-size: 11px;
    color: #525252;
    background: #f5f5f5;
    padding: 4px 8px;
    border-radius: 12px;
}

.chat-content {
    background: #ffffff;
    padding: 16px;
    height: 420px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.message {
    display: flex;
    flex-direction: column;
}

.user-message {
    align-items: flex-end;
}

.ai-message {
    align-items: flex-start;
}

.message-content {
    max-width: 240px;
    padding: 12px 16px;
    border-radius: 16px;
    font-size: 13px;
    line-height: 1.4;
    word-wrap: break-word;
}

.user-message .message-content {
    background: #0f0f0f;
    color: white;
    border-bottom-right-radius: 4px;
}

.ai-message .message-content {
    background: #f5f5f5;
    color: #0f0f0f;
    border-bottom-left-radius: 4px;
}

.typing-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 12px 16px;
    background: #f5f5f5;
    border-radius: 16px;
    border-bottom-left-radius: 4px;
    width: fit-content;
}

.typing-dot {
    width: 6px;
    height: 6px;
    background: #a3a3a3;
    border-radius: 50%;
    animation: typing 1.4s ease-in-out infinite;
}

.typing-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-dot:nth-child(3) {
    animation-delay: 0.4s;
}

.input-area {
    background: #ffffff;
    border-radius: 0 0 24px 24px;
    padding: 12px 16px 16px;
    border-top: 1px solid #f0f0f0;
}

.input-field {
    background: #f5f5f5;
    border-radius: 20px;
    padding: 12px 16px;
    border: 1px solid #e5e5e5;
}

.placeholder {
    color: #a3a3a3;
    font-size: 14px;
}

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.4;
    }
    30% {
        transform: translateY(-8px);
        opacity: 1;
    }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.02); opacity: 0.8; }
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Sections */
section {
    padding: 100px 0;
}

.section-title {
    font-size: 48px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 80px;
    color: #0f0f0f;
    letter-spacing: -0.02em;
}

/* Features Section */
.features {
    background: #fafafa;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 32px;
}

.feature-card {
    background: white;
    padding: 40px;
    border-radius: 12px;
    border: 1px solid #f0f0f0;
    transition: all 0.2s ease;
}

.feature-card:hover {
    border-color: #e5e5e5;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

.feature-icon {
    margin-bottom: 24px;
    display: block;
    color: #0f0f0f;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #0f0f0f;
    letter-spacing: -0.01em;
}

.feature-card p {
    color: #525252;
    line-height: 1.6;
    font-size: 14px;
}

/* Privacy Section */
.privacy {
    background: #0f0f0f;
    color: white;
}

.privacy-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.privacy h2 {
    font-size: 48px;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.privacy-description {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 40px;
    color: #a3a3a3;
    font-weight: 400;
}

.privacy-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.privacy-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.checkmark {
    width: 20px;
    height: 20px;
    background: #0f0f0f;
    border: 1px solid #404040;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
    color: white;
    font-size: 12px;
}

.security-diagram {
    background: #171717;
    border-radius: 12px;
    padding: 48px;
    border: 1px solid #262626;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.secure-zone {
    background: #262626;
    border: 1px solid #404040;
    border-radius: 8px;
    padding: 32px;
    text-align: center;
    width: 200px;
}

.ai-core {
    width: 48px;
    height: 48px;
    background: #ffffff;
    border-radius: 50%;
    margin: 0 auto 12px;
    animation: pulse 3s ease-in-out infinite;
}

.barrier {
    height: 32px;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.barrier::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    background: #404040;
    z-index: 1;
}

.lock-icon {
    background: #171717;
    padding: 4px;
    border-radius: 4px;
    z-index: 2;
    position: relative;
    color: #a3a3a3;
}

.external-zone {
    background: #171717;
    border: 1px solid #404040;
    border-radius: 8px;
    padding: 24px;
    text-align: center;
    width: 160px;
    opacity: 0.6;
}

/* Use Cases Section */
.use-cases {
    background: white;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.use-case {
    background: #fafafa;
    padding: 32px;
    border-radius: 12px;
    border: 1px solid #f0f0f0;
}

.use-case h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #0f0f0f;
    letter-spacing: -0.01em;
}

.use-case p {
    color: #525252;
    line-height: 1.6;
    font-size: 14px;
}

/* Case Studies Section */
.case-studies {
    background: #0f0f0f;
    color: white;
}

.case-studies .section-title {
    color: #ffffff;
}

.case-studies-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.case-study-card {
    background: #171717;
    border-radius: 12px;
    padding: 40px;
    border: 1px solid #262626;
    transition: all 0.3s ease;
}

.case-study-card:hover {
    border-color: #404040;
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.case-study-card h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #ffffff;
    letter-spacing: -0.01em;
}

.case-study-byline {
    font-size: 14px;
    color: #a3a3a3;
    margin-bottom: 20px;
    font-style: italic;
}

.case-study-description {
    font-size: 16px;
    line-height: 1.6;
    color: #a3a3a3;
    margin-bottom: 24px;
}

.case-study-btn {
    margin-top: 8px;
    background: #262626;
    color: #ffffff;
    border-color: #404040;
}

.case-study-btn:hover {
    background: #333333;
    border-color: #525252;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
}

.modal-content {
    background: #ffffff;
    margin: 5% auto;
    padding: 0;
    border-radius: 16px;
    max-width: 800px;
    position: relative;
    animation: slideIn 0.3s ease;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

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

.modal-close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 32px;
    font-weight: 300;
    color: #737373;
    cursor: pointer;
    transition: color 0.2s ease;
    line-height: 1;
    z-index: 1;
}

.modal-close:hover {
    color: #0f0f0f;
}

#modalBody {
    padding: 48px;
    color: #0f0f0f;
}

#modalBody h2 {
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #0f0f0f;
    letter-spacing: -0.02em;
}

.modal-byline {
    font-size: 16px;
    color: #737373;
    margin-bottom: 32px;
    font-style: italic;
}

.modal-section {
    margin-bottom: 32px;
}

.modal-section h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #0f0f0f;
    letter-spacing: -0.01em;
}

.modal-section p {
    font-size: 16px;
    line-height: 1.7;
    color: #525252;
}

.modal-section ul {
    list-style: none;
    padding: 0;
    margin-top: 16px;
}

.modal-section ul li {
    padding: 8px 0 8px 28px;
    position: relative;
    color: #525252;
    font-size: 15px;
    line-height: 1.6;
}

.modal-section ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #0071e3;
    font-weight: bold;
    font-size: 16px;
}

.modal-quote {
    background: #fafafa;
    border-left: 4px solid #0071e3;
    padding: 24px 28px;
    margin-top: 40px;
    border-radius: 8px;
}

.modal-quote p {
    font-size: 18px;
    line-height: 1.6;
    color: #0f0f0f;
    margin-bottom: 12px;
    font-style: italic;
}

.modal-quote p:last-child {
    margin-bottom: 0;
}

.quote-attribution {
    font-size: 14px !important;
    color: #737373 !important;
    font-style: normal !important;
    font-weight: 600;
}

/* Pricing Section */
.pricing {
    background: #fafafa;
}

.pricing-card {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: 16px;
    padding: 48px;
    border: 1px solid #f0f0f0;
}

.includes-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 20px;
}

.includes-column {
    list-style: none;
    margin: 0;
    padding: 0;
}

.includes-column li {
    padding: 8px 0;
    color: #525252;
    position: relative;
    padding-left: 24px;
    font-size: 14px;
}

.includes-column li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #0f0f0f;
    font-weight: bold;
}

.spec-details {
    margin-top: 4px;
    margin-left: 4px;
    font-size: 12px;
    color: #737373;
    font-weight: 400;
    line-height: 1.4;
}

.partner-logos {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid #f0f0f0;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.logo-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.partner-logo-img {
    object-fit: contain;
    transition: transform 0.2s ease, opacity 0.2s ease;
    opacity: 0.7;
    filter: grayscale(20%);
}

.partner-logo-img:hover {
    transform: scale(1.1);
    opacity: 1;
    filter: grayscale(0%);
}

.hardware-logo {
    width: 100px;
    height: auto;
}

.ai-logo {
    width: 80px;
    height: auto;
}

.hardware-logos-spaced {
    gap: 100px;
}

.pricing-header {
    text-align: center;
    margin-bottom: 40px;
}

.pricing-header h3 {
    font-size: 32px;
    font-weight: 600;
    color: #0f0f0f;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.pricing-header p {
    color: #525252;
    font-size: 16px;
}

.pricing-details {
    margin-bottom: 40px;
}

.price-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-bottom: 1px solid #f0f0f0;
}

.price-item:last-child {
    border-bottom: none;
}

.price-label {
    font-weight: 400;
    color: #525252;
    font-size: 14px;
}

.price-value {
    font-size: 24px;
    font-weight: 600;
    color: #0f0f0f;
    letter-spacing: -0.01em;
}

.pricing-includes {
    margin-bottom: 40px;
}

.pricing-includes h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #0f0f0f;
}


/* Contact Section */
.contact {
    background: #0f0f0f;
    color: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contact h2 {
    font-size: 48px;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.contact-info p {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 40px;
    color: #a3a3a3;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.contact-item strong {
    color: #a3a3a3;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

.contact-form {
    background: #ffffff;
    border-radius: 12px;
    padding: 32px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    background: #ffffff;
    color: #0f0f0f;
    font-size: 14px;
    transition: all 0.2s ease;
    font-family: inherit;
}

.form-group textarea {
    min-height: 96px;
    resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #737373;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #0071e3;
    background: #ffffff;
}

.form-group select {
    cursor: pointer;
}

.form-group select option {
    background: #ffffff;
    color: #0f0f0f;
}

/* About Founder Section */
.about-founder {
    max-width: 800px;
    margin: 0 auto 48px;
    padding: 0 0 48px;
    text-align: center;
}

.about-founder h2 {
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 24px;
    color: #ffffff;
    letter-spacing: -0.02em;
}

.about-founder p {
    font-size: 16px;
    line-height: 1.7;
    color: #a3a3a3;
    margin-bottom: 20px;
}

.about-founder p:last-child {
    margin-bottom: 0;
}

.founder-link {
    color: #0071e3;
    text-decoration: none;
    transition: color 0.2s ease;
}

.founder-link:hover {
    color: #005bb5;
    text-decoration: underline;
}

/* Footer */
.footer {
    background: #0f0f0f;
    color: white;
    padding: 48px 0 24px;
    border-top: 1px solid #262626;
}

.footer-content {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 24px;
}

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

.footer-logo-container {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
    justify-content: center;
}

.footer-logo-icon {
    animation: rotate 20s linear infinite;
}

.footer-logo h3 {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
}

.footer-logo p {
    color: #737373;
    font-size: 12px;
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    color: #737373;
    text-decoration: none;
    font-size: 12px;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid #262626;
    color: #737373;
    font-size: 11px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 60px;
    }

    .privacy-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .case-studies-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .includes-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .phone-frame {
        width: 280px;
        height: 560px;
    }

    .modal-content {
        margin: 10% auto;
        max-width: 90%;
    }

    #modalBody {
        padding: 32px 24px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .hero-title {
        font-size: 4rem;
    }

    .section-title {
        font-size: 36px;
    }

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

    .use-cases-grid {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }

    .phone-frame {
        width: 260px;
        height: 520px;
    }

    .chat-content {
        height: 340px;
    }
}

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

    .nav-container {
        padding: 0 16px;
    }

    .hero {
        padding: 100px 0 80px;
    }

    .hero-title {
        font-size: 3.5rem;
    }

    .section-title {
        font-size: 28px;
    }

    .btn-primary, .btn-secondary {
        padding: 18px 36px;
        font-size: 17px;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .feature-card {
        padding: 32px 24px;
    }

    .phone-frame {
        width: 240px;
        height: 480px;
    }

    .chat-content {
        height: 300px;
    }
}