/* ARM FLOW LANDING CSS */
:root {
    --primary: #FF6600;
    --primary-hover: #e65c00;
    --bg-dark: #000000;
    --card-bg: #0A0A0A;
    --card-border: #1A1A1A;
    --text-main: #FFFFFF;
    --text-muted: #888888;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --container-width: 1200px;
    --font-main: 'Inter', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: var(--font-main); -webkit-tap-highlight-color: transparent; }

body { background-color: var(--bg-dark); color: var(--text-main); line-height: 1.6; overflow-x: hidden; font-size: 16px; }

/* UTILS */
.container { max-width: var(--container-width); margin: 0 auto; padding: 0 20px; }
.section-padding { padding: 100px 0; }
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-muted { color: var(--text-muted); }
.hidden { display: none; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-4 { gap: 1rem; }
.grid { display: grid; }

/* TYPOGRAPHY */
h1, h2, h3, h4, h5, h6 { font-weight: 800; line-height: 1.2; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 1.5rem; }
h3 { font-size: 1.5rem; margin-bottom: 1rem; }
p { color: var(--text-muted); margin-bottom: 1.5rem; }

/* COMPONENTS */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.75rem;
    padding: 1.25rem 2.5rem; border-radius: 1rem; font-weight: 700;
    text-decoration: none; transition: var(--transition); cursor: pointer;
    border: none; font-size: 1rem;
}
.btn-primary {
    background: var(--primary); color: white;
    box-shadow: 0 10px 30px -10px rgba(255, 102, 0, 0.4);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 20px 40px -12px rgba(255, 102, 0, 0.6); background: var(--primary-hover); }
.btn-outline {
    background: transparent; border: 1px solid var(--card-border); color: white;
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }

.tagline {
    display: inline-block; padding: 0.5rem 1rem; border-radius: 2rem;
    background: rgba(255, 102, 0, 0.1); border: 1px solid rgba(255, 102, 0, 0.2);
    color: var(--primary); font-size: 0.8rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.1em; margin-bottom: 1.5rem;
}

/* CARDS */
.card {
    background: var(--card-bg); border: 1px solid var(--card-border);
    padding: 2.5rem; border-radius: 1.5rem; transition: var(--transition);
}
.card:hover { border-color: var(--primary); transform: translateY(-5px); }

/* HEADER */
header {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 100;
    background: rgba(0,0,0,0.8); backdrop-filter: blur(10px); border-bottom: 1px solid var(--card-border);
    padding: 1.25rem 0;
}
.logo { font-size: 1.5rem; font-weight: 900; color: white; letter-spacing: -1px; text-decoration: none; }
.logo span { color: var(--primary); }

/* HERO */
.hero { padding: 180px 0 100px; text-align: center; }
.hero-content { max-width: 800px; margin: 0 auto; }
.hero-price { font-size: 3.5rem; font-weight: 900; color: var(--primary); margin: 2rem 0; text-shadow: 0 0 50px rgba(255,102,0,0.3); }

/* FEATURES GRID */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; }
.feature-icon {
    width: 60px; height: 60px; background: rgba(255,102,0,0.1); border-radius: 1rem;
    display: flex; align-items: center; justify-content: center;
    color: var(--primary); font-size: 1.5rem; margin-bottom: 1.5rem;
}

/* STEPS */
.steps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; counter-reset: step; }
.step-card { position: relative; overflow: hidden; }
.step-card::before {
    counter-increment: step; content: "0" counter(step);
    position: absolute; top: 1rem; right: 2rem;
    font-size: 5rem; font-weight: 900; color: rgba(255,255,255,0.03);
    line-height: 1;
}

/* FAQ */
.faq-grid { display: grid; gap: 1.5rem; max-width: 800px; margin: 0 auto; }
.faq-item { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 1rem; overflow: hidden; }
.faq-question {
    padding: 1.5rem; cursor: pointer; display: flex; justify-content: space-between; align-items: center;
    font-weight: 700; color: white;
}
.faq-answer {
    padding: 0 1.5rem 1.5rem; color: var(--text-muted); display: none;
    border-top: 1px solid var(--card-border); padding-top: 1.5rem;
}
.faq-item.active .faq-answer { display: block; }
.faq-toggle { transition: var(--transition); }
.faq-item.active .faq-toggle { transform: rotate(180deg); color: var(--primary); }

/* FOOTER */
footer { background: var(--card-bg); padding: 5rem 0 2rem; border-top: 1px solid var(--card-border); margin-top: 5rem; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 3rem; margin-bottom: 3rem; }

/* ANIMATIONS */
@keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.fade-in { animation: fadeIn 0.6s ease forwards; }

/* MEDIA QUERIES */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    .hero-price { font-size: 2.5rem; }
    .section-padding { padding: 60px 0; }
}