@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
img { max-width: 100%; display: block; }
button { font-family: inherit; }

:root {
    --ink: #0a0a0a; --ink-soft: #171717; --graphite: #262626;
    --slate-800: #1f2937; --slate-700: #374151; --slate-600: #4b5563;
    --slate-500: #6b7280; --slate-400: #9ca3af; --slate-300: #d1d5db;
    --slate-200: #e5e7eb; --slate-100: #f3f4f6; --slate-50: #f9fafb;
    --white: #ffffff;
    --bg: #fafafa; --card: #ffffff;
    --text: var(--ink-soft); --text-muted: var(--slate-500);
    --border: var(--slate-200); --border-strong: var(--slate-300);
    --success: #059669; --success-bg: #ecfdf5; --success-border: #a7f3d0;
    --danger: #dc2626; --danger-bg: #fef2f2; --danger-border: #fecaca;
    --warning: #d97706; --warning-bg: #fffbeb; --warning-border: #fde68a;
    --navy: var(--ink); --navy-dark: var(--ink); --accent: var(--ink); --muted: var(--text-muted);
    --shadow: 0 1px 2px rgba(0,0,0,0.04);
    --r-sm: 6px; --r-md: 10px; --r-lg: 14px; --radius: var(--r-md);
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
    --nav-h: 68px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text); background: var(--bg); line-height: 1.6; font-size: 15px;
    -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
}
h1,h2,h3,h4 { color: var(--ink); margin: 0 0 .5em; line-height: 1.2; letter-spacing: -0.02em; }
h1 { font-size: 2.25rem; font-weight: 700; letter-spacing: -0.03em; }
h2 { font-size: 1.4rem; font-weight: 600; }
h3 { font-size: 1.1rem; font-weight: 600; }
p { margin: 0 0 1em; }
a { color: var(--ink); text-decoration: none; transition: color .15s; }
a:hover { color: var(--graphite); text-decoration: underline; }
strong { color: var(--ink); font-weight: 600; }
.muted { color: var(--text-muted); font-size: .9rem; }
::selection { background: var(--ink); color: var(--white); }

.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }
main { min-height: 60vh; padding: 3rem 0 4rem; }

.site-header {
    background: rgba(255,255,255,0.9);
    backdrop-filter: saturate(180%) blur(8px);
    -webkit-backdrop-filter: saturate(180%) blur(8px);
    border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 20;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 0 1.5rem; height: var(--nav-h); max-width: 1100px; margin: 0 auto; }
.brand { display: flex; align-items: center; gap: .75rem; color: var(--ink); font-weight: 600; }
.brand:hover { text-decoration: none; }
.brand-mark { width: 36px; height: 36px; display: inline-flex; align-items: center; justify-content: center; }
.brand-mark img { width: 100%; height: 100%; object-fit: contain; }
.brand-text { font-size: .95rem; letter-spacing: -0.01em; }
.site-nav { display: flex; align-items: center; gap: 1.75rem; }
.site-nav a { color: var(--slate-700); font-size: .9rem; font-weight: 500; }
.site-nav a:hover { color: var(--ink); text-decoration: none; }

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
    padding: .625rem 1.125rem; font-size: .9rem; font-weight: 500; line-height: 1;
    border-radius: var(--r-md); border: 1px solid transparent; background: transparent;
    color: inherit; cursor: pointer; text-decoration: none;
    transition: background .15s, color .15s, border-color .15s, transform .05s;
    white-space: nowrap;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
.btn-primary { background: var(--ink); color: var(--white); border-color: var(--ink); }
.btn-primary:hover { background: var(--graphite); border-color: var(--graphite); color: var(--white); }
.btn-outline { background: var(--white); color: var(--ink); border-color: var(--border-strong); }
.btn-outline:hover { background: var(--slate-50); border-color: var(--ink); }
.btn-lg { padding: .85rem 1.5rem; font-size: .95rem; }
.btn-sm { padding: .4rem .8rem; font-size: .825rem; }

.hero { background: transparent; padding: 5rem 0 3rem; text-align: center; margin: -3rem 0 3rem; }
.hero h1 { color: var(--ink); font-size: 3rem; font-weight: 700; letter-spacing: -0.035em; margin-bottom: 1rem; }
.hero p.lead { font-size: 1.15rem; color: var(--text-muted); max-width: 620px; margin: 0 auto 2rem; line-height: 1.5; }
.hero .btn-primary { background: var(--ink); color: var(--white); }
@media (max-width: 640px) { .hero { padding: 3rem 0 2rem; } .hero h1 { font-size: 2.25rem; } }

.features { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); margin: 2rem 0; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 1.5rem; box-shadow: var(--shadow-xs); transition: border-color .15s; }
.card:hover { border-color: var(--border-strong); }
.card h3 { color: var(--ink); margin-top: 0; }
.card .price { font-size: 1.5rem; font-weight: 700; color: var(--ink); margin-top: 1rem; line-height: 1; }
.card .price small { font-size: .75rem; color: var(--text-muted); font-weight: 500; margin-left: .3rem; }

.form-block { background: var(--card); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 1.75rem; box-shadow: var(--shadow-xs); max-width: 720px; margin: 0 auto; }
.form-block h2 { margin-top: 0; font-size: .85rem; font-weight: 600; color: var(--slate-500); text-transform: uppercase; letter-spacing: .07em; padding-bottom: .5rem; border-bottom: 1px solid var(--border); margin-bottom: 1.25rem; }
.form-block h2:not(:first-child) { margin-top: 1.75rem; }
.form-row { margin-bottom: 1rem; }
.form-row label { display: block; font-weight: 500; font-size: .85rem; color: var(--slate-700); margin-bottom: .35rem; }
.form-row input[type=text], .form-row input[type=email], .form-row input[type=password], .form-row input[type=number], .form-row input[type=file], .form-row textarea, .form-row select {
    width: 100%; padding: .625rem .8rem; border: 1px solid var(--border-strong); border-radius: var(--r-sm);
    font-size: .925rem; font-family: inherit; background: var(--white); color: var(--text);
    transition: border-color .15s, box-shadow .15s;
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 3px rgba(0,0,0,0.06); }
.form-row input::placeholder { color: var(--slate-400); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }
.radio-group { display: flex; gap: 1.25rem; padding: .2rem 0; }
.radio-group label { font-weight: 400; cursor: pointer; font-size: .925rem; color: var(--text); }
.radio-group input { margin-right: .4rem; accent-color: var(--ink); }

.service-choice { display: block; border: 1px solid var(--border-strong); border-radius: var(--r-lg); padding: 1.15rem 1.35rem; margin-bottom: .8rem; cursor: pointer; background: var(--white); transition: all .15s; }
.service-choice:hover { border-color: var(--ink); }
.service-choice.selected { border-color: var(--ink); background: var(--slate-50); }
.service-choice-header { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.service-choice-title { font-weight: 600; font-size: 1rem; color: var(--ink); }
.service-choice-price { font-weight: 600; color: var(--slate-700); font-size: .95rem; }
.service-choice-body { margin-top: .9rem; padding-top: .9rem; border-top: 1px solid var(--border); display: none; }
.service-choice.selected .service-choice-body { display: block; }
.service-choice input[type=checkbox] { margin-right: .5rem; accent-color: var(--ink); }

.alert { padding: .85rem 1rem; border-radius: var(--r-md); margin-bottom: 1rem; border: 1px solid transparent; font-size: .9rem; }
.alert-error { background: var(--danger-bg); color: #991b1b; border-color: var(--danger-border); }
.alert-success { background: var(--success-bg); color: #065f46; border-color: var(--success-border); }

.site-footer { background: var(--white); color: var(--text-muted); border-top: 1px solid var(--border); padding: 2.5rem 0; margin-top: 5rem; font-size: .875rem; }
.footer-inner { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.5rem; max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }
.site-footer strong { color: var(--ink); font-size: .95rem; }
.site-footer a { color: var(--slate-700); font-weight: 500; }

.wizard-layout { display: grid; grid-template-columns: 1fr 320px; gap: 2rem; align-items: start; }
@media (max-width: 900px) { .wizard-layout { grid-template-columns: 1fr; } }
.wizard-main .form-block { max-width: none; margin: 0; }

.cart-sidebar { background: var(--card); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 1.25rem; box-shadow: var(--shadow-xs); position: sticky; top: calc(var(--nav-h) + 1rem); max-height: calc(100vh - var(--nav-h) - 2rem); overflow-y: auto; font-size: .9rem; }
.cart-sidebar h3 { margin: 0 0 1rem; color: var(--ink); font-size: .95rem; font-weight: 600; padding-bottom: .75rem; border-bottom: 1px solid var(--border); }
.cart-section { margin-bottom: 1.1rem; }
.cart-section-title { font-size: .7rem; font-weight: 600; text-transform: uppercase; letter-spacing: .07em; color: var(--text-muted); margin-bottom: .5rem; }
.cart-item { background: var(--slate-50); border-radius: var(--r-sm); padding: .65rem .8rem; margin-bottom: .5rem; }
.cart-item-head { display: flex; justify-content: space-between; align-items: flex-start; gap: .4rem; margin-bottom: .25rem; font-size: .85rem; }
.cart-item-body { color: var(--text-muted); font-size: .8rem; line-height: 1.4; }
.cart-item-price { color: var(--ink); font-size: .85rem; font-weight: 500; margin-top: .4rem; padding-top: .4rem; border-top: 1px dashed var(--border); }
.cart-remove { background: transparent; border: none; color: var(--slate-400); cursor: pointer; font-size: 1.2rem; line-height: 1; padding: 0 .3rem; transition: color .15s; }
.cart-remove:hover { color: var(--danger); }
.cart-total { display: flex; justify-content: space-between; align-items: baseline; padding-top: 1rem; margin-top: 1rem; border-top: 2px solid var(--ink); font-size: .95rem; }
.cart-total strong { color: var(--ink); font-size: 1.15rem; font-weight: 700; }

.subalterni-list { display: flex; flex-direction: column; gap: .5rem; }
.subalterno-row { display: flex; gap: .5rem; align-items: center; }
.subalterno-row input { flex: 1; }
.subalterno-row .btn-remove { background: var(--white); color: var(--slate-500); border: 1px solid var(--border-strong); padding: .5rem .75rem; border-radius: var(--r-sm); cursor: pointer; font-size: .95rem; line-height: 1; }
.subalterno-row .btn-remove:hover { color: var(--danger); border-color: var(--danger); }
.btn-add-sub { background: transparent; color: var(--slate-700); border: 1px dashed var(--border-strong); padding: .5rem 1rem; border-radius: var(--r-sm); cursor: pointer; font-size: .85rem; font-weight: 500; margin-top: .5rem; }
.btn-add-sub:hover { background: var(--slate-50); color: var(--ink); border-color: var(--ink); border-style: solid; }

.action-bar { display: flex; gap: .625rem; justify-content: space-between; flex-wrap: wrap; align-items: center; margin-top: 1.75rem; padding-top: 1.5rem; border-top: 1px solid var(--border); }

.steps { display: flex; gap: .375rem; flex-wrap: wrap; align-items: center; margin-bottom: 1.75rem; padding: 0; background: transparent; border: none; box-shadow: none; }
.step-pill { padding: .4rem .875rem !important; border-radius: 999px !important; font-size: .825rem !important; font-weight: 500 !important; background: var(--slate-100) !important; color: var(--slate-500) !important; display: inline-flex !important; align-items: center !important; gap: .35rem !important; box-shadow: none !important; transform: none !important; transition: all .2s !important; }
.step-pill.active { background: var(--ink) !important; color: var(--white) !important; font-weight: 600 !important; }
.step-pill.done { background: var(--slate-800) !important; color: var(--white) !important; font-weight: 500 !important; }

.admin-shell { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; background: var(--bg); }
.admin-sidebar { background: var(--ink); color: var(--slate-300); padding: 1.5rem 1rem; }
.admin-sidebar h2 { color: var(--slate-400); font-size: .75rem; letter-spacing: .1em; text-transform: uppercase; font-weight: 600; margin-bottom: 1rem; }
.admin-sidebar nav { display: flex; flex-direction: column; gap: .2rem; }
.admin-sidebar nav a { color: var(--slate-300); padding: .55rem .8rem; border-radius: var(--r-sm); font-size: .9rem; font-weight: 500; }
.admin-sidebar nav a:hover, .admin-sidebar nav a.active { background: rgba(255,255,255,.06); color: var(--white); text-decoration: none; }
.admin-main { padding: 2rem 2.5rem; }
.admin-login { max-width: 400px; margin: 5rem auto; }

table.data { width: 100%; border-collapse: collapse; background: var(--card); box-shadow: var(--shadow-xs); border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--border); font-size: .9rem; }
table.data th, table.data td { padding: .75rem 1rem; text-align: left; border-bottom: 1px solid var(--border); }
table.data th { background: var(--slate-50); font-weight: 600; color: var(--slate-700); font-size: .75rem; text-transform: uppercase; letter-spacing: .05em; }
table.data tr:last-child td { border-bottom: none; }
.badge { display: inline-block; padding: .2rem .6rem; border-radius: 999px; font-size: .75rem; font-weight: 500; }
.badge-yellow { background: var(--warning-bg); color: #92400e; border: 1px solid var(--warning-border); }
.badge-green { background: var(--success-bg); color: #065f46; border: 1px solid var(--success-border); }
.badge-red { background: var(--danger-bg); color: #991b1b; border: 1px solid var(--danger-border); }
.badge-blue { background: #eff6ff; color: #1e40af; border: 1px solid #bfdbfe; }