/* === TheRCompany — Dark Mode, Neutral Brand === */
:root {
    --accent: #ffffff;
    --accent-dim: #cccccc;
    --bg: #0f0f0f;
    --bg2: #151515;
    --bg3: #1a1a1a;
    --text: #f0f0f0;
    --text2: #a0a0a0;
    --border: #2a2a2a;
    --radius: 12px;
    --max-w: 960px;

    --kellr: #34C759;
    --stackr: #E8540C;
    --trackr: #D97706;
}

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

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

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 20px; }

/* Nav */
.nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: rgba(15,15,15,0.9); backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}
.nav-inner {
    max-width: var(--max-w); margin: 0 auto; padding: 14px 20px;
    display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.1rem; color: var(--text); letter-spacing: 0.5px; }
.nav-logo:hover { text-decoration: none; }
.nav-icon { width: 28px; height: 28px; }
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a { color: var(--text2); font-size: 0.9rem; }
.nav-links a:hover { color: var(--text); text-decoration: none; }

/* Hero */
.hero {
    padding: 150px 20px 90px; text-align: center;
    background: radial-gradient(ellipse at 50% 0%, rgba(255,255,255,0.06) 0%, transparent 60%);
}
.hero-logo { width: 64px; height: 64px; margin: 0 auto 28px; display: block; }
.hero h1 { font-size: clamp(2rem, 6vw, 3.2rem); font-weight: 800; line-height: 1.15; margin-bottom: 18px; letter-spacing: -0.5px; }
.hero-sub { color: var(--text2); font-size: clamp(1rem, 2.5vw, 1.2rem); max-width: 620px; margin: 0 auto 8px; }
.hero-cta {
    display: inline-block; margin-top: 28px; padding: 12px 28px;
    background: var(--accent); color: var(--bg); font-weight: 700;
    border-radius: var(--radius); font-size: 0.95rem;
}
.hero-cta:hover { text-decoration: none; opacity: 0.85; }

/* Sections */
.section { padding: 70px 20px; }
.section h2 { font-size: 1.6rem; margin-bottom: 8px; text-align: center; }
.section-sub { color: var(--text2); margin-bottom: 44px; text-align: center; }

/* App Grid */
.app-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}
.app-card {
    background: var(--bg3); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 28px; transition: border-color 0.2s, transform 0.2s;
    display: block; text-decoration: none; color: var(--text);
}
.app-card:hover { transform: translateY(-2px); text-decoration: none; }
.app-card.kellr:hover { border-color: var(--kellr); }
.app-card.stackr:hover { border-color: var(--stackr); }
.app-card.trackr:hover { border-color: var(--trackr); }
.app-icon { width: 48px; height: 48px; border-radius: 12px; margin-bottom: 16px; }
.app-card h3 { font-size: 1.15rem; margin-bottom: 6px; }
.app-card p { color: var(--text2); font-size: 0.9rem; margin-bottom: 14px; }
.app-tag {
    display: inline-block; font-size: 0.75rem; padding: 3px 10px; border-radius: 6px;
    font-weight: 600;
}
.app-card.kellr .app-tag { background: rgba(52,199,89,0.12); color: var(--kellr); }
.app-card.stackr .app-tag { background: rgba(232,84,12,0.12); color: var(--stackr); }
.app-card.trackr .app-tag { background: rgba(217,119,6,0.12); color: var(--trackr); }

/* About */
.about-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}
.about-card {
    background: var(--bg3); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 26px;
}
.about-card h3 { margin-bottom: 10px; font-size: 1.05rem; }
.about-card p { color: var(--text2); font-size: 0.92rem; }

/* Footer */
.footer {
    text-align: center; padding: 40px 20px; color: var(--text2);
    font-size: 0.85rem; border-top: 1px solid var(--border);
}
.footer a { color: var(--text2); }
.footer a:hover { color: var(--text); }