/* ==========================================================================
   Jump! — Landing page styles (dark theme only)
   ========================================================================== */

@font-face {
    font-family: 'Bungee';
    src: url('fonts/Bungee-Regular.ttf') format('truetype');
    font-style: normal;
    font-display: swap;
}

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

:root {
    /* Palette */
    --jump-teal: #4ecdc4;
    --jump-mint: #a8e6cf;
    --jump-green: #56c596;
    --jump-deep-teal: #2ab7a9;
    --jump-cyan: #7dd3e0;

    --gradient-primary: linear-gradient(
        135deg,
        #56c596 0%,
        #4ecdc4 50%,
        #7dd3e0 100%
    );

    /* Dark theme tokens */
    --color-bg: #1a2332;
    --color-bg-secondary: #212d3f;
    --color-bg-hover: #283548;
    --color-text: #e0e8f0;
    --color-text-secondary: #8899a8;
    --color-border: #2d3f52;

    --color-primary: #4ecdc4;
    --color-primary-hover: #62d8d0;
    --color-primary-text: #1a2332;

    --color-link: #5fd8d0;
    --color-link-hover: #78e4dd;

    --color-shadow: rgba(0, 0, 0, 0.25);
    --color-shadow-md: rgba(0, 0, 0, 0.35);

    --radius: 8px;
    --radius-sm: 5px;
    --radius-lg: 12px;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family:
        -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, Roboto,
        sans-serif;
    line-height: 1.6;
}

a {
    color: var(--color-link);
    text-decoration: none;
    transition: color 0.15s ease;
}

a:hover {
    color: var(--color-link-hover);
}

code, kbd {
    font-family:
        ui-monospace, 'SF Mono', 'Cascadia Code', 'Source Code Pro', Menlo,
        monospace;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    padding: 2px 7px;
    border-radius: var(--radius-sm);
    font-size: 0.9em;
}

/* ---------- Layout ---------- */

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: 72px 0;
}

/* ---------- Nav ---------- */

.site-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(26, 35, 50, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
}

.site-nav .container {
    display: flex;
    align-items: center;
    height: 56px;
    gap: 32px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Bungee', sans-serif;
    font-size: 18px;
    color: var(--color-text);
    text-decoration: none;
}

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

.nav-brand img {
    height: 28px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: 24px;
    list-style: none;
    margin-left: auto;
}

.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color 0.15s ease;
}

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

/* ---------- Hero ---------- */

.hero {
    text-align: center;
    padding: 96px 0 80px;
}

.hero-logo {
    width: 160px;
    height: auto;
    margin-bottom: 24px;
}

.hero h1 {
    font-family: 'Bungee', sans-serif;
    font-size: 56px;
    letter-spacing: -0.5px;
    margin-bottom: 16px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero .tagline {
    font-size: 20px;
    color: var(--color-text-secondary);
    max-width: 520px;
    margin: 0 auto 36px;
}

.btn-cta {
    display: inline-block;
    padding: 14px 36px;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-primary-text);
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius);
    text-decoration: none;
    transition: opacity 0.15s ease, transform 0.15s ease;
}

.btn-cta:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    color: var(--color-primary-text);
}

/* ---------- Section headings ---------- */

.section-title {
    font-family: 'Bungee', sans-serif;
    font-size: 32px;
    text-align: center;
    margin-bottom: 12px;
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 16px;
    margin-bottom: 48px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

/* ---------- Features ---------- */

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    transition: border-color 0.15s ease, transform 0.15s ease;
}

.feature-card:hover {
    border-color: var(--jump-teal);
    transform: translateY(-2px);
}

.feature-icon {
    font-size: 32px;
    margin-bottom: 16px;
    display: block;
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ---------- Screenshots ---------- */

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.screenshots-grid figure {
    margin: 0;
}

.screenshots-grid img {
    width: 100%;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    box-shadow: 0 4px 24px var(--color-shadow-md);
}

.screenshots-grid figcaption {
    text-align: center;
    margin-top: 12px;
    font-size: 14px;
    color: var(--color-text-secondary);
}

/* ---------- How it works ---------- */

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    counter-reset: step;
}

.step {
    text-align: center;
}

.step-number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: var(--color-primary-text);
    font-family: 'Bungee', sans-serif;
    font-size: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.step h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

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

/* ---------- Install CTA ---------- */

.install-section {
    text-align: center;
}

.install-section .btn-cta {
    margin-bottom: 16px;
}

.install-secondary {
    display: block;
    font-size: 14px;
    color: var(--color-text-secondary);
}

.install-secondary a {
    font-weight: 500;
}

/* ---------- Footer ---------- */

.site-footer {
    border-top: 1px solid var(--color-border);
    padding: 32px 0;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-links {
    display: flex;
    gap: 24px;
    list-style: none;
}

.footer-links a {
    font-size: 14px;
    color: var(--color-text-secondary);
}

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

.footer-credit {
    font-size: 13px;
    color: var(--color-text-secondary);
}

/* ---------- Responsive ---------- */

@media (max-width: 768px) {
    .hero h1 {
        font-size: 40px;
    }

    .hero .tagline {
        font-size: 17px;
    }

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

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

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

    .nav-links {
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 64px 0 56px;
    }

    .hero h1 {
        font-size: 32px;
    }

    .hero-logo {
        width: 120px;
    }

    section {
        padding: 48px 0;
    }

    .section-title {
        font-size: 26px;
    }

    .site-nav .container {
        gap: 16px;
    }

    .nav-links {
        gap: 12px;
    }

    .nav-links a {
        font-size: 13px;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
    }
}