@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700;900&display=swap");

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

:root {
    --spacing-unit: 6px;
    --primary-black: #000000;
    --secondary-gray: #666666;
    --tertiary-gray: #999999;
    --light-gray: #f0f0f0;
    --border-gray: #e5e5e5;
    --accent-color: #677fa5;
    --max-width: 1280px;
}

body {
    font-family:
        "Inter",
        -apple-system,
        BlinkMacSystemFont,
        sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--primary-black);
    background: #ffffff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    /* Force light mode - prevent dark theme */
    color-scheme: light only;
}

/* Prevent dark mode color inversions */
@media (prefers-color-scheme: dark) {
    :root {
        color-scheme: light;
    }

    body {
        background: #ffffff;
        color: var(--primary-black);
    }

    * {
        background-color: revert;
        color: revert;
    }
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 calc(var(--spacing-unit) * 4);
}

/* Header */
header {
    padding: calc(var(--spacing-unit) * 6) 0;
    border-bottom: 1px solid var(--border-gray);
}

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

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--primary-black);
}

.logo-icon {
    height: 48px;
    margin-right: calc(var(--spacing-unit) * 2);
}

.logo-text {
    font-size: 24px;
    font-weight: 900;
    letter-spacing: -0.5px;
}

nav {
    display: flex;
    gap: calc(var(--spacing-unit) * 4);
}

nav a {
    color: var(--secondary-gray);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.3px;
    transition: color 0.2s;
}

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

/* Hero Section */
.hero {
    padding: calc(var(--spacing-unit) * 15) 0;
    padding-bottom: 0;
    text-align: center;
}

h1 {
    font-size: 48px;
    font-weight: 900;
    letter-spacing: -1px;
    line-height: 1.2;
    margin-bottom: calc(var(--spacing-unit) * 4);
}

.tagline {
    font-size: 20px;
    max-width: 600px;
    margin: 0 auto calc(var(--spacing-unit) * 6);
    line-height: 1.6;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 4);
    background: transparent;
    color: var(--primary-black);
    border: 1px solid var(--primary-black);
    font-family: "Inter", sans-serif;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.7px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
}

.btn:hover {
    background: var(--primary-black);
    color: #ffffff;
}

.btn-primary {
    border-radius: 30px;
    background: var(--primary-black);
    color: #ffffff;
    padding: calc(var(--spacing-unit) * 3) calc(var(--spacing-unit) * 5);
    font-size: 14px;
}

.btn-primary:hover {
    border-radius: 30px;
    background: #333;
    border-color: #333;
}

/* Section Styles */
.section {
    padding: calc(var(--spacing-unit) * 6) 0;
}

.section-title {
    font-size: 32px;
    font-weight: 900;
    letter-spacing: -0.5px;
    margin-bottom: calc(var(--spacing-unit) * 6);
}

.section-description {
    font-size: 16px;
    color: var(--secondary-gray);
    margin-bottom: calc(var(--spacing-unit) * 6);
    line-height: 1.6;
}

/* How it Works */
.steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: calc(var(--spacing-unit) * 5);
    margin: calc(var(--spacing-unit) * 6) 0;
}

.step {
    display: flex;
    gap: calc(var(--spacing-unit) * 3);
    align-items: flex-start;
}

.step-number {
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--primary-black);
    color: white;
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: calc(var(--spacing-unit) * 1);
}

.step-description {
    font-size: 14px;
    color: var(--secondary-gray);
    line-height: 1.6;
}

.step-links {
    margin-top: calc(var(--spacing-unit) * 2);
    font-size: 13px;
}

.step-links a {
    color: var(--accent-color);
    text-decoration: none;
    display: block;
    margin-bottom: calc(var(--spacing-unit) * 1);
}

.step-links a:hover {
    text-decoration: underline;
}

/* Features List */
.features {
    display: grid;
    grid-template-columns: 1fr;
    gap: calc(var(--spacing-unit) * 3);
    margin: calc(var(--spacing-unit) * 6) 0;
}

.feature {
    padding-left: calc(var(--spacing-unit) * 4);
    position: relative;
}

.feature::before {
    content: "•";
    position: absolute;
    left: 0;
    font-weight: 700;
}

/* FAQ */
.faq {
    display: grid;
    gap: calc(var(--spacing-unit) * 6);
    margin: calc(var(--spacing-unit) * 6) 0;
}

.faq-item {
    border-bottom: 1px solid var(--border-gray);
    padding-bottom: calc(var(--spacing-unit) * 4);
}

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

.faq-question {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: calc(var(--spacing-unit) * 2);
    letter-spacing: -0.3px;
}

.faq-answer {
    font-size: 14px;
    color: var(--secondary-gray);
    line-height: 1.6;
}

/* Footer */
footer {
    border-top: 1px solid var(--border-gray);
    padding: calc(var(--spacing-unit) * 8) 0;
    margin-top: calc(var(--spacing-unit) * 12);
}

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

.footer-links {
    display: flex;
    gap: calc(var(--spacing-unit) * 4);
}

.footer-links a {
    color: var(--secondary-gray);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.3px;
    transition: color 0.2s;
}

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

.copyright {
    font-size: 13px;
    color: var(--tertiary-gray);
}

/* Legal Pages */
.legal-header {
    padding: calc(var(--spacing-unit) * 10) 0 calc(var(--spacing-unit) * 6);
    border-bottom: 1px solid var(--border-gray);
}

.legal-title {
    font-size: 36px;
    font-weight: 900;
    letter-spacing: -0.5px;
}

.legal-updated {
    font-size: 14px;
    color: var(--secondary-gray);
    margin-top: calc(var(--spacing-unit) * 2);
}

.legal-content {
    padding: calc(var(--spacing-unit) * 8) 0;
    max-width: 800px;
}

.legal-content h2 {
    font-size: 20px;
    font-weight: 700;
    margin-top: calc(var(--spacing-unit) * 8);
    margin-bottom: calc(var(--spacing-unit) * 3);
}

.legal-content p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--secondary-gray);
    margin-bottom: calc(var(--spacing-unit) * 3);
}

.legal-content ul {
    margin-left: calc(var(--spacing-unit) * 4);
    margin-bottom: calc(var(--spacing-unit) * 3);
}

.legal-content li {
    font-size: 14px;
    line-height: 1.7;
    color: var(--secondary-gray);
    margin-bottom: calc(var(--spacing-unit) * 1);
}

.legal-content strong {
    color: var(--primary-black);
    font-weight: 600;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 0 calc(var(--spacing-unit) * 3);
    }

    h1 {
        font-size: 32px;
    }

    .section-title {
        font-size: 24px;
    }

    .header-content {
        flex-direction: column;
        gap: calc(var(--spacing-unit) * 3);
    }

    nav {
        width: 100%;
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: calc(var(--spacing-unit) * 3);
        text-align: center;
    }

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

/* Screenshot placeholder */
.screenshot-placeholder {
    text-align: center;
    color: var(--secondary-gray);
    font-size: 14px;
    margin: calc(var(--spacing-unit) * 4) 0;
    font-style: italic;
}

/* Responsive images */
.screenshot-placeholder img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .screenshot-placeholder img {
        max-height: 300px;
    }
}

@media (max-width: 480px) {
    .screenshot-placeholder img {
        max-height: 250px;
    }
}