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

:root {
    --primary: #0080FF;
    --black: #000000;
    --white: #ffffff;
    --gray: #666666;
    --light-gray: #f0f0f0;
    --mono: 'Space Mono', monospace;
    --sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
    font-family: var(--sans);
    line-height: 1.6;
    color: var(--black);
    background: var(--white);
    font-size: 16px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--white);
    border-bottom: 2px solid var(--black);
    z-index: 1000;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    transition: all 0.2s;
    padding: 0.5rem 1rem;
    background: rgba(0, 0, 0, 0.03);
    border-radius: 50px;
}

.logo:hover {
    background: rgba(0, 0, 0, 0.05);
}

.logo img {
    height: 32px;
}

.logo-text {
    font-family: var(--mono);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--black);
}

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

.nav-links a {
    text-decoration: none;
    color: var(--black);
    font-weight: 500;
    transition: color 0.2s;
    font-family: var(--mono);
    font-size: 0.875rem;
    text-transform: uppercase;
}

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

/* Hamburger Menu */
.nav-toggle {
    display: none;
}

.nav-toggle-label {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
    padding: 5px;
}

.nav-toggle-label span {
    width: 25px;
    height: 2px;
    background: var(--black);
    transition: all 0.3s;
}

/* Hero Section */
.hero {
    padding: 140px 0 80px;
    border-bottom: 2px solid var(--black);
}

.hero-content {
    max-width: 700px;
}

.hero-tagline {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 2rem;
    font-weight: 500;
    line-height: 1.4;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
}

.hero-text {
    margin-bottom: 3rem;
}

.hero-text p {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    color: var(--gray);
    line-height: 1.7;
}

.cta-button {
    display: inline-block;
    background: var(--black);
    color: var(--white);
    padding: 1rem 2rem;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s;
    font-family: var(--mono);
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.1em;
}

.cta-button:hover {
    background: var(--primary);
    transform: translateX(5px);
}

/* Solutions Section */
.solutions {
    padding: 80px 0;
    background: var(--light-gray);
}

.solutions h2 {
    font-size: 2rem;
    margin-bottom: 3rem;
    font-family: var(--mono);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.solution {
    background: var(--white);
    padding: 2rem;
    border: 2px solid var(--black);
}

.solution-header {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    margin-bottom: 1rem;
}

.solution-number {
    font-family: var(--mono);
    font-size: 0.875rem;
    color: var(--primary);
}

.solution h3 {
    font-size: 1.5rem;
    font-weight: 700;
}

.solution p {
    line-height: 1.8;
    color: var(--gray);
}

/* Why Section */
.why {
    padding: 80px 0;
    border-top: 2px solid var(--black);
    border-bottom: 2px solid var(--black);
}

.why h2 {
    font-size: 2rem;
    margin-bottom: 3rem;
    font-family: var(--mono);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.reasons {
    display: grid;
    gap: 2rem;
}

.reason {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--light-gray);
}

.reason:last-child {
    border-bottom: none;
}

.reason h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    font-family: var(--mono);
}

.reason p {
    color: var(--gray);
    max-width: 600px;
}

/* Get Started Section */
.start {
    padding: 80px 0;
    background: var(--light-gray);
}

.start h2 {
    font-size: 2rem;
    margin-bottom: 3rem;
    font-family: var(--mono);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.journey {
    max-width: 700px;
    margin: 0 auto;
}

.journey-step {
    display: flex;
    gap: 2rem;
    margin-bottom: 2.5rem;
    align-items: flex-start;
}

.journey-step:last-child {
    margin-bottom: 0;
}

.step-number {
    font-size: 2rem;
    font-weight: 300;
    color: var(--primary);
    font-family: var(--mono);
    min-width: 50px;
}

.step-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.step-content p {
    color: var(--gray);
    line-height: 1.6;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    text-align: center;
}

.contact h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-family: var(--mono);
}

.contact-intro {
    font-size: 1.5rem;
    margin-bottom: 3rem;
    color: var(--gray);
}

.contact-links {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.contact-link {
    font-family: var(--mono);
    font-size: 1.25rem;
    color: var(--primary);
    text-decoration: none;
    padding: 1rem 2rem;
    border: 2px solid var(--primary);
    transition: all 0.2s;
}

.contact-link:hover {
    background: var(--primary);
    color: var(--white);
}

/* Footer */
footer {
    padding: 2rem 0;
    border-top: 2px solid var(--black);
    text-align: center;
    font-family: var(--mono);
    font-size: 0.875rem;
    color: var(--gray);
}

/* Responsive */
@media (max-width: 768px) {
    /* Navigation */
    .nav-content {
        padding: 1rem 0;
        position: relative;
    }

    .logo-text {
        font-size: 1rem;
    }

    .logo img {
        height: 24px;
    }

    .nav-toggle-label {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 1rem;
        border: 2px solid var(--black);
        border-top: none;
        transform: scale(1, 0);
        transform-origin: top;
        transition: transform 0.3s ease-out;
        min-width: 200px;
    }

    .nav-links a {
        font-size: 1.125rem;
        padding: 0.75rem 0;
        text-align: right;
        letter-spacing: 0.05em;
    }

    .nav-toggle:checked ~ .nav-links {
        transform: scale(1, 1);
    }

    .nav-toggle:checked ~ .nav-toggle-label span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }

    .nav-toggle:checked ~ .nav-toggle-label span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle:checked ~ .nav-toggle-label span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

    /* Hero */
    .hero {
        padding: 100px 0 60px;
    }

    .hero h1 {
        font-size: 2rem;
        line-height: 1.2;
    }

    .hero-tagline {
        font-size: 1.125rem;
        margin-bottom: 1.5rem;
    }

    .hero-text p {
        font-size: 1rem;
    }

    .cta-button {
        font-size: 0.875rem;
        padding: 0.875rem 1.5rem;
    }

    /* Solutions */
    .solutions {
        padding: 60px 0;
    }

    .solutions h2 {
        font-size: 1.5rem;
        margin-bottom: 2rem;
    }

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

    .solution {
        padding: 1.5rem;
    }

    .solution h3 {
        font-size: 1.25rem;
    }

    .solution p {
        font-size: 0.9375rem;
    }

    /* Why Section */
    .why {
        padding: 60px 0;
    }

    .why h2 {
        font-size: 1.5rem;
        margin-bottom: 2rem;
    }

    .reason {
        padding: 1rem 0;
    }

    .reason h3 {
        font-size: 1.1rem;
    }

    .reason p {
        font-size: 0.9375rem;
    }

    /* Get Started */
    .start {
        padding: 60px 0;
    }

    .start h2 {
        font-size: 1.5rem;
        margin-bottom: 2rem;
    }

    .journey-step {
        gap: 1.5rem;
        margin-bottom: 2rem;
    }

    .step-number {
        font-size: 1.5rem;
        min-width: 40px;
    }

    .step-content h3 {
        font-size: 1.1rem;
    }

    .step-content p {
        font-size: 0.9375rem;
    }

    /* Contact */
    .contact {
        padding: 60px 0;
    }

    .contact h2 {
        font-size: 2rem;
    }

    .contact-intro {
        font-size: 1.125rem;
    }

    .contact-links {
        flex-direction: column;
        gap: 1rem;
    }

    .contact-link {
        width: 100%;
        font-size: 1rem;
        padding: 0.875rem 1.5rem;
    }

    /* Footer */
    footer {
        font-size: 0.75rem;
    }
}

/* Small mobile devices */
@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero h1 {
        font-size: 1.75rem;
    }

    .hero h1 br {
        display: none;
    }

    .solutions-grid {
        gap: 1.5rem;
    }

    .solution-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .journey-step {
        flex-direction: column;
        gap: 1rem;
    }

    .step-number {
        font-size: 1.25rem;
    }

    .nav-links {
        gap: 0.75rem;
    }

    .nav-links a {
        font-size: 0.9rem;
    }
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
    :root {
        --black: #ffffff;
        --white: #000000;
        --gray: #999999;
        --light-gray: #1a1a1a;
        --primary: #4da6ff;
    }

    body {
        background: var(--white);
        color: var(--black);
    }

    nav {
        background: rgba(0, 0, 0, 0.98);
        border-bottom-color: var(--gray);
    }

    .nav-toggle-label span {
        background: var(--black);
    }

    .logo {
        background: rgba(255, 255, 255, 0.05);
    }

    .logo:hover {
        background: rgba(255, 255, 255, 0.08);
    }

    @media (max-width: 768px) {
        .nav-links {
            background: var(--white);
            border-color: var(--gray);
        }
    }

    .hero {
        border-bottom-color: var(--gray);
    }

    .solutions {
        background: var(--light-gray);
    }

    .solution {
        background: var(--white);
        border-color: var(--gray);
    }

    .why {
        border-top-color: var(--gray);
        border-bottom-color: var(--gray);
    }

    .start {
        background: var(--light-gray);
    }

    .reason {
        border-bottom-color: #333;
    }

    .contact-link {
        border-color: var(--primary);
    }

    .contact-link:hover {
        background: var(--primary);
        color: var(--white);
    }

    footer {
        border-top-color: var(--gray);
    }

    /* Adjust CTA button for better contrast */
    .cta-button {
        background: var(--primary);
        color: var(--white);
    }

    .cta-button:hover {
        background: var(--black);
        color: var(--white);
    }
}