@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');


:root {
    --background: #11181f;
    --surface: #1c252e;
    --surface-light: #24313b;

    --text: #f1f5f4;
    --text-muted: #a9b5b5;

    --accent: #2e9b90;
    --accent-hover: #38afa2;

    --border: #30404a;

    --max-width: 1100px;
}


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


html {
    scroll-behavior: smooth;
}


body {
    background: var(--background);
    color: var(--text);
    font-family: "Inter", sans-serif;
    line-height: 1.6;
}


a {
    color: inherit;
    text-decoration: none;
}


.container {
    width: min(var(--max-width), calc(100% - 48px));
    margin: 0 auto;
}


/* Header */

.site-header {
    border-bottom: 1px solid var(--border);
    background: rgba(17, 24, 31, 0.95);
}


.header-content {
    min-height: 72px;

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


.logo {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.02em;
}


nav {
    display: flex;
    gap: 28px;
}


nav a {
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 500;
}


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


/* Typography */

.eyebrow {
    margin-bottom: 14px;

    color: var(--accent);

    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.12em;
}


h1 {
    max-width: 800px;

    font-size: clamp(48px, 7vw, 82px);
    line-height: 1.02;
    letter-spacing: -0.05em;
}


h1 span {
    color: var(--accent);
}


h2 {
    font-size: clamp(30px, 4vw, 46px);
    line-height: 1.1;
    letter-spacing: -0.035em;
}


h3 {
    font-size: 19px;
}


p {
    color: var(--text-muted);
}


/* Buttons */

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    min-height: 48px;
    padding: 0 22px;

    border: 1px solid var(--border);
    border-radius: 7px;

    font-size: 14px;
    font-weight: 600;

    transition: 0.15s ease;
}


.button.primary {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}


.button.primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}


.button.secondary {
    background: transparent;
}


.button.secondary:hover {
    background: var(--surface);
}


/* Hero */

.hero {
    min-height: 680px;

    display: flex;
    align-items: center;
    justify-content: center;

    border-bottom: 1px solid var(--border);
}

.hero-text {
    max-width: 800px;
}

.hero-text h1 {
    margin: 0 auto 24px;
}

.hero-content {
    padding: 100px 0;

    display: flex;
    justify-content: center;
    text-align: center;
}

.hero-description {
    padding: 15px 15px 15px 0px;

    max-width: 600px;
    margin: 0 auto 30px;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
}


/* ========================================
   Features Page
   ======================================== */

.features-hero {
    padding: 90px 0 70px;
    text-align: center;
}

.features-hero .eyebrow {
    display: inline-block;
    margin-bottom: 16px;

    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.15em;
}

.features-hero h1 {
    max-width: 850px;
    margin: 0 auto 20px;
}

.features-hero p {
    max-width: 650px;
    margin: 0 auto;

    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.7;
}


/* Feature cards */

.features-section {
    padding: 10px 0 90px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.feature-card {
    display: flex;
    gap: 24px;

    padding: 32px;

    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;

    transition:
        transform 0.2s ease,
        border-color 0.2s ease;
}

.feature-card:hover {
    transform: translateY(-3px);
    border-color: var(--accent);
}

.feature-icon {
    flex: 0 0 48px;

    width: 48px;
    height: 48px;

    display: flex;
    align-items: center;
    justify-content: center;

    background: rgba(46, 155, 144, 0.12);
    border-radius: 12px;

    color: var(--accent);
    font-size: 20px;
    font-weight: 600;
}

.feature-content {
    min-width: 0;
}

.feature-content h2 {
    margin: 0 0 10px;
    font-size: 1.35rem;
}

.feature-content p {
    margin: 0 0 18px;

    color: var(--text-muted);
    line-height: 1.6;
}

.feature-content ul {
    margin: 0;
    padding-left: 20px;

    color: var(--text-muted);
    line-height: 1.8;
}

.feature-content li::marker {
    color: var(--accent);
}


/* Future feature */

.future-feature {
    border-color: rgba(46, 155, 144, 0.35);
}

.feature-label {
    display: block;
    margin-bottom: 8px;

    color: var(--accent);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.12em;
}


/* Call to action */

.features-cta {
    padding: 80px 0;

    background: var(--surface);
    border-top: 1px solid var(--border);

    text-align: center;
}

.features-cta h2 {
    margin: 0 0 12px;
}

.features-cta p {
    margin: 0 0 28px;
    color: var(--text-muted);
}


/* Mobile */

@media (max-width: 800px) {
    .feature-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .features-hero {
        padding: 60px 0 50px;
    }

    .feature-card {
        flex-direction: column;
        padding: 26px;
    }
}

/* ========================================
   Download Page
   ======================================== */

.download-hero {
    padding: 100px 0;
    text-align: center;
    border-bottom: 1px solid var(--border);
}

.download-hero h1 {
    margin: 0 auto 20px;
}

.download-hero > .container > p {
    max-width: 600px;
    margin: 0 auto 30px;
}

.download-button {
    min-width: 220px;
}

.version {
    margin-top: 14px !important;
    font-size: 13px;
}

.download-info {
    padding: 70px 0;
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.download-card {
    padding: 32px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
}

.download-card h2 {
    margin-bottom: 18px;
    font-size: 1.4rem;
}

.download-card p,
.download-card li {
    color: var(--text-muted);
}

.download-card ol {
    padding-left: 22px;
    line-height: 2;
}

.download-footer {
    padding: 70px 0;
    text-align: center;
    background: var(--surface);
    border-top: 1px solid var(--border);
}

.download-footer p {
    max-width: 600px;
    margin: 0 auto 24px;
}

@media (max-width: 700px) {
    .download-grid {
        grid-template-columns: 1fr;
    }
}