/* imgchanger.org landing — clean, dark-accent palette */
:root {
    --bg: #0f172a;
    --bg-alt: #f8fafc;
    --fg: #1e293b;
    --fg-dim: #64748b;
    --accent: #5b21b6;
    --accent-2: #8b5cf6;
    --warn: #dc2626;
    --ok: #16a34a;
    --border: #e2e8f0;
    --shadow: 0 4px 16px rgba(0,0,0,.06);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font: 16px/1.55 -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--fg);
    background: #fff;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code {
    background: #f1f5f9; padding: 1px 5px; border-radius: 3px;
    font: .85em ui-monospace, monospace; color: #475569;
}
h1, h2, h3 { font-weight: 700; letter-spacing: -.02em; line-height: 1.15; }
h1 { font-size: 48px; margin: 0 0 18px; }
h2 { font-size: 36px; margin: 0 0 28px; text-align: center; }
h3 { font-size: 18px; margin: 0 0 8px; }
p { margin: 0 0 12px; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.wrap.narrow { max-width: 760px; }
.accent { color: var(--accent); }

/* nav */
.nav {
    border-bottom: 1px solid var(--border);
    background: rgba(255,255,255,.92);
    backdrop-filter: blur(6px);
    position: sticky; top: 0; z-index: 100;
}
.nav .wrap { display: flex; align-items: center; height: 64px; gap: 32px; }
.nav .logo { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--fg); font-size: 18px; }
.nav .logo img {
    background: var(--accent); padding: 4px; border-radius: 5px;
    filter: invert(1) hue-rotate(180deg);
}
.nav nav { margin-left: auto; display: flex; align-items: center; gap: 22px; }
.nav nav a { color: var(--fg-dim); font-weight: 500; }
.nav nav a:hover { color: var(--fg); text-decoration: none; }
.nav nav a.btn-primary { color: #fff; }

/* buttons */
.btn-primary {
    display: inline-block; background: var(--accent); color: #fff;
    padding: 10px 22px; border: 0; border-radius: 6px; cursor: pointer;
    font-size: 15px; font-weight: 600; transition: background .15s;
}
.btn-primary:hover { background: #4c1d95; text-decoration: none; }
.btn-primary.big { padding: 14px 32px; font-size: 17px; }
.btn-secondary {
    display: inline-block; background: transparent; color: var(--fg);
    padding: 10px 22px; border: 1.5px solid var(--border); border-radius: 6px;
    font-size: 15px; font-weight: 500; cursor: pointer;
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }

/* hero */
.hero { padding: 84px 0 64px; background: linear-gradient(180deg, #ede9fe 0%, #fff 60%); }
.hero h1 { max-width: 850px; }
.hero .lead { font-size: 19px; max-width: 720px; color: var(--fg-dim); margin-bottom: 32px; }
.hero-cta { display: flex; gap: 14px; margin-bottom: 28px; flex-wrap: wrap; }
.hero-trust { color: var(--fg-dim); font-size: 14px; display: flex; gap: 24px; flex-wrap: wrap; }
.hero-trust span { display: inline-flex; gap: 6px; align-items: center; }

/* sections */
.block { padding: 72px 0; }
.block.alt { background: var(--bg-alt); }
.block-note { color: var(--fg-dim); max-width: 700px; margin: 0 auto 40px; text-align: center; font-size: 16px; }
.block-footnote { color: var(--fg-dim); font-size: 13px; text-align: center; margin-top: 30px; }

/* stats */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 28px; }
.stat-card { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 20px; text-align: center; }
.stat-num { font-size: 30px; font-weight: 800; color: var(--accent); line-height: 1.1; }
.stat-label { font-size: 14px; color: var(--fg); margin-top: 6px; }
.stat-sub { font-size: 12px; color: var(--fg-dim); margin-top: 4px; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step { text-align: left; }
.step-num {
    width: 36px; height: 36px; line-height: 36px; text-align: center;
    border-radius: 50%; background: var(--accent); color: #fff;
    font-weight: 700; margin-bottom: 14px;
}
.step h3 { margin-bottom: 6px; }
.step p { color: var(--fg-dim); font-size: 14px; line-height: 1.5; }

/* price */
.price-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px; }
.price-card.free { background: #fef9c3; border-color: #fde68a; }
.price-card.free .pkg-name { color: #854d0e; }
.price-card.free .pkg-price .amount { font-size: 24px; color: #854d0e; }
.price-card.free .btn-secondary { background: #854d0e; color: #fff; border-color: #854d0e; }
.price-card.free .btn-secondary:hover { background: #422006; color: #fff; }
.price-card {
    background: #fff; border: 1px solid var(--border); border-radius: 10px;
    padding: 28px 22px; position: relative; box-shadow: var(--shadow);
    display: flex; flex-direction: column;
}
.price-card.featured { border-color: var(--accent); border-width: 2px; }
.pkg-badge {
    position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
    background: var(--accent); color: #fff; font-size: 11px; font-weight: 700;
    padding: 4px 12px; border-radius: 10px; letter-spacing: .5px; text-transform: uppercase;
}
.pkg-name { font-size: 14px; font-weight: 600; color: var(--fg-dim); text-transform: uppercase; letter-spacing: .5px; }
.pkg-pics { font-size: 24px; font-weight: 700; margin: 4px 0 14px; }
.pkg-price { font-size: 14px; color: var(--fg-dim); }
.pkg-price .amount { font-size: 32px; font-weight: 800; color: var(--fg); display: block; }
.pkg-per { font-size: 12px; color: var(--fg-dim); margin-bottom: 18px; }
.pkg-features { list-style: none; padding: 0; margin: 0 0 22px; font-size: 14px; flex: 1; }
.pkg-features li { padding: 5px 0 5px 22px; position: relative; color: var(--fg); }
.pkg-features li::before {
    content: '✓'; position: absolute; left: 0; color: var(--ok); font-weight: 700;
}
.price-card .btn-primary { width: 100%; }
.pkg-hint { text-align: center; font-size: 12px; color: var(--fg-dim); margin-top: 10px; }

/* form */
.lead-form .field { margin-bottom: 16px; }
.lead-form label { display: block; font-size: 13px; font-weight: 600; color: var(--fg); margin-bottom: 5px; }
.lead-form input, .lead-form select, .lead-form textarea {
    width: 100%; padding: 10px 14px; border: 1px solid var(--border); border-radius: 6px;
    font: inherit; font-size: 15px; box-sizing: border-box;
}
.lead-form input:focus, .lead-form select:focus, .lead-form textarea:focus {
    outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(91, 33, 182, .12);
}
.lead-form textarea { resize: vertical; min-height: 80px; }
#lead-status { margin-top: 14px; padding: 10px; border-radius: 6px; font-size: 14px; display: none; }
#lead-status.ok { display: block; background: #dcfce7; color: #15803d; border: 1px solid #bbf7d0; }
#lead-status.err { display: block; background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }

/* faq */
details { background: #fff; border: 1px solid var(--border); border-radius: 8px; margin-bottom: 10px; padding: 16px 20px; }
details summary { cursor: pointer; font-weight: 600; outline: none; }
details[open] summary { margin-bottom: 10px; color: var(--accent); }
details p { color: var(--fg-dim); font-size: 15px; margin: 0; }

/* footer */
footer { background: var(--bg); color: #cbd5e1; padding: 32px 0; font-size: 14px; }
footer .wrap { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
footer a { color: #c4b5fd; }

@media (max-width: 900px) {
    h1 { font-size: 34px; }
    h2 { font-size: 26px; }
    .stats-grid, .steps, .price-grid { grid-template-columns: repeat(2, 1fr); }
    .nav nav { gap: 14px; }
    .nav nav a:not(.btn-primary) { display: none; }
}
@media (max-width: 600px) {
    .stats-grid, .steps, .price-grid { grid-template-columns: 1fr; }
    .hero { padding: 56px 0 40px; }
    .block { padding: 50px 0; }
}