:root {
    --bg: #0b0d12;
    --bg-alt: #11141b;
    --surface: #161a23;
    --surface-2: #1d2230;
    --border: #252a38;
    --fg: #e8eaf0;
    --fg-dim: #a6abba;
    --muted: #6e7589;
    --accent: #ff4d6d;
    --accent-2: #c9184a;
    --accent-soft: rgba(255, 77, 109, 0.12);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--fg);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

h1, h2, h3 {
    margin: 0 0 0.8rem;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

p { margin: 0 0 1rem; }

.container {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* --- Header --- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(11, 13, 18, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: -0.01em;
}

.brand__logo {
    width: 32px;
    height: 32px;
    filter: drop-shadow(0 4px 12px rgba(255, 77, 109, 0.35));
}

.nav {
    display: flex;
    align-items: center;
    gap: 1.75rem;
    font-size: 0.95rem;
    color: var(--fg-dim);
}

.nav a {
    transition: color 0.15s ease;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 1.5rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.12s ease, background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn--primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff;
    box-shadow: 0 8px 24px rgba(255, 77, 109, 0.25);
}

.btn--primary:hover {
    transform: translateY(-1px);
    color: #fff;
}

.btn--ghost {
    background: transparent;
    border-color: var(--border);
    color: var(--fg);
    padding: 0.7rem 1.15rem;
}

.btn--ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* --- Hero --- */
.hero {
    position: relative;
    padding: 7rem 0 6rem;
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 800px 500px at 20% 0%, rgba(255, 77, 109, 0.18), transparent 70%),
        radial-gradient(ellipse 600px 400px at 85% 30%, rgba(122, 31, 45, 0.25), transparent 70%);
    pointer-events: none;
}

.hero__inner {
    position: relative;
    text-align: center;
}

.eyebrow {
    display: inline-block;
    padding: 0.4rem 0.9rem;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: clamp(2.25rem, 5vw, 3.75rem);
    max-width: 780px;
    margin: 0 auto 1.5rem;
}

.lead {
    font-size: 1.2rem;
    color: var(--fg-dim);
    max-width: 620px;
    margin: 0 auto 2.5rem;
}

.hero__cta {
    display: flex;
    justify-content: center;
    gap: 0.9rem;
    flex-wrap: wrap;
}

/* --- Sections --- */
.section {
    padding: 5rem 0;
}

.section--alt {
    background: var(--bg-alt);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.section__title {
    text-align: center;
    font-size: clamp(1.75rem, 3vw, 2.4rem);
    margin-bottom: 3rem;
}

/* --- Steps --- */
.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
}

.step {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 2rem 1.75rem;
    transition: transform 0.15s ease, border-color 0.15s ease;
}

.step:hover {
    transform: translateY(-2px);
    border-color: var(--accent);
}

.step__num {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.1em;
    margin-bottom: 0.75rem;
}

.step h3 {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
}

.step p {
    color: var(--fg-dim);
    font-size: 0.95rem;
    margin: 0;
}

/* --- Features --- */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
}

.feature {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1.75rem;
}

.feature h3 {
    font-size: 1.1rem;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.feature p {
    color: var(--fg-dim);
    font-size: 0.95rem;
    margin: 0;
}

/* --- CTA band --- */
.cta-band__inner {
    text-align: center;
    background: linear-gradient(135deg, var(--surface), var(--surface-2));
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 4rem 2rem;
}

.cta-band h2 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
}

.cta-band p {
    color: var(--fg-dim);
    margin-bottom: 2rem;
}

/* --- Footer --- */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 2.5rem 0;
    margin-top: 2rem;
}

.footer__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.muted { color: var(--muted); font-size: 0.9rem; margin: 0; }
.muted a { color: var(--muted); text-decoration: underline; }

/* --- Responsive --- */
@media (max-width: 720px) {
    .nav { gap: 1rem; font-size: 0.9rem; }
    .nav a:not(.btn) { display: none; }
    .hero { padding: 4.5rem 0 3.5rem; }
    .section { padding: 3.5rem 0; }
    .cta-band__inner { padding: 3rem 1.5rem; }
}