/*
 * BillingJo public site — theme adapted from the es.jo "infetech" palette.
 * Primary  #2563EB  (vivid violet)
 * Dark     #16233B  (deep navy)
 * Accent   #4F9CF9  (light purple)
 * Tint     #E5EFFD  (pale lavender)
 * Text     #2C2734  / body #62718D
 * Borders  #E0E0E0  #E8E8E8
 */

:root {
    --c-primary:       #2563EB;
    --c-primary-600:   #1D4ED8;
    --c-primary-700:   #1E40AF;
    --c-dark:          #16233B;
    --c-dark-2:        #0E1A2E;
    --c-accent:        #4F9CF9;
    --c-tint:          #E5EFFD;
    --c-text:          #2C2734;
    --c-body:          #62718D;
    --c-border:        #E0E0E0;
    --c-border-soft:   #E8E8E8;
    --c-bg:            #FFFFFF;
    --c-bg-soft:       #FAFAFE;
    --c-success:       #16A34A;
    --c-warning:       #F59E0B;
    --c-danger:        #DC2626;

    --radius-sm: 6px;
    --radius:    10px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --shadow-sm: 0 1px 2px rgba(15, 10, 30, .04), 0 1px 3px rgba(15, 10, 30, .06);
    --shadow:    0 6px 18px rgba(22, 35, 59, .08), 0 2px 6px rgba(22, 35, 59, .06);
    --shadow-lg: 0 24px 60px rgba(37, 99, 235, .18), 0 8px 16px rgba(22, 35, 59, .08);

    --font-display: "Catamaran", "Tajawal", "Segoe UI", system-ui, -apple-system, sans-serif;
    --font-body:    "Roboto", "Tajawal", "Segoe UI", system-ui, -apple-system, sans-serif;

    --container: 1200px;
}

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

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.65;
    color: var(--c-body);
    background: var(--c-bg);
    -webkit-font-smoothing: antialiased;
}

body.rtl {
    font-family: "Tajawal", "Catamaran", "Segoe UI", system-ui, sans-serif;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    color: var(--c-text);
    font-weight: 800;
    line-height: 1.2;
    margin: 0 0 .6em;
}
body.rtl h1, body.rtl h2, body.rtl h3, body.rtl h4 { font-family: "Tajawal", "Catamaran", sans-serif; }

h1 { font-size: clamp(2rem, 1.4rem + 2.5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.4rem); }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.1rem; font-weight: 700; }

p { margin: 0 0 1rem; }

a {
    color: var(--c-primary);
    text-decoration: none;
    transition: color .15s ease;
}
a:hover { color: var(--c-primary-700); }

img { max-width: 100%; display: block; }

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5em;
    padding: 12px 22px;
    border-radius: var(--radius);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: .95rem;
    line-height: 1;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all .18s ease;
    text-decoration: none;
    white-space: nowrap;
}
.btn-lg { padding: 16px 30px; font-size: 1.02rem; }

.btn-primary {
    background: var(--c-primary);
    color: #fff;
    box-shadow: 0 8px 22px rgba(37, 99, 235, .35);
}
.btn-primary:hover {
    background: var(--c-primary-600);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 12px 28px rgba(37, 99, 235, .42);
}

.btn-outline {
    background: transparent;
    color: var(--c-text);
    border-color: var(--c-border);
}
.btn-outline:hover {
    border-color: var(--c-primary);
    color: var(--c-primary);
}

.btn-ghost {
    background: transparent;
    color: var(--c-primary);
    border-color: transparent;
}
.btn-ghost:hover {
    background: var(--c-tint);
}

/* ===== Header ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: saturate(160%) blur(10px);
    border-bottom: 1px solid var(--c-border-soft);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: 76px;
}
.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--c-text);
}
.brand-mark {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    box-shadow: 0 6px 16px rgba(37, 99, 235, .35);
}
.brand-light { color: #fff; }

.primary-nav {
    display: flex;
    gap: 28px;
    flex: 1;
    justify-content: center;
}
.primary-nav a {
    color: var(--c-text);
    font-weight: 500;
    font-size: .95rem;
    position: relative;
    padding: 6px 0;
}
.primary-nav a::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: 0;
    height: 2px;
    background: var(--c-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .18s ease;
}
.primary-nav a:hover { color: var(--c-primary); }
.primary-nav a:hover::after { transform: scaleX(1); }

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}
.lang-toggle {
    color: var(--c-body);
    font-weight: 600;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--c-border);
    font-size: .85rem;
}
.lang-toggle:hover { color: var(--c-primary); border-color: var(--c-primary); }

/* ===== Hamburger (public site) ===== */
.nav-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--c-border);
    border-radius: var(--radius-sm);
    width: 42px; height: 42px;
    padding: 0;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
}
.nav-toggle span {
    display: block;
    width: 20px; height: 2px;
    background: var(--c-text);
    border-radius: 2px;
    transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle:hover { border-color: var(--c-primary); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Validation (universal — client + server) ===== */
.field-validation-error,
.field-error,
.form-error {
    display: block;
    color: var(--c-danger);
    font-size: .8rem;
    margin-top: 5px;
}
.field-validation-valid { display: none; }
.input-validation-error {
    border-color: var(--c-danger) !important;
}
.input-validation-error:focus {
    box-shadow: 0 0 0 3px rgba(220, 38, 38, .14) !important;
}

/* ===== Hero ===== */
.hero {
    position: relative;
    padding: 80px 0 96px;
    background:
        radial-gradient(800px 400px at 85% 10%, rgba(79, 156, 249, .25), transparent 60%),
        radial-gradient(700px 400px at 10% 90%, rgba(229, 239, 253, .55), transparent 60%),
        linear-gradient(180deg, #FFFFFF 0%, #FAFAFE 100%);
    overflow: hidden;
}
.hero-inner {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 60px;
    align-items: center;
}
.eyebrow {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 999px;
    background: var(--c-tint);
    color: var(--c-primary-700);
    font-weight: 600;
    font-size: .8rem;
    letter-spacing: .04em;
    text-transform: uppercase;
    margin-bottom: 18px;
}
.hero-text h1 { margin-bottom: 20px; }
.hero-text .lead { font-size: 1.15rem; max-width: 540px; }
.hero-cta { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }
.hero-bullets {
    list-style: none;
    padding: 0;
    margin: 28px 0 0;
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    color: var(--c-body);
    font-size: .92rem;
}
.hero-bullets li {
    position: relative;
    padding-inline-start: 22px;
}
.hero-bullets li::before {
    content: "✓";
    position: absolute;
    inset-inline-start: 0;
    color: var(--c-primary);
    font-weight: 800;
}

.hero-art {
    position: relative;
    height: 460px;
}
.hero-card {
    position: absolute;
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--c-border-soft);
    padding: 22px;
    font-family: var(--font-display);
}
.hero-card-1 {
    top: 40px; inset-inline-start: 30px;
    width: 280px;
}
.hero-card-2 {
    top: 200px; inset-inline-end: 20px;
    width: 200px;
    background: linear-gradient(135deg, var(--c-primary), var(--c-dark));
    color: #fff;
    border: none;
}
.hero-card-3 {
    bottom: 30px; inset-inline-start: 80px;
    width: 280px;
}
.hc-label { font-size: .8rem; color: var(--c-body); margin-bottom: 6px; }
.hc-amount { font-size: 1.6rem; font-weight: 800; color: var(--c-text); margin-bottom: 6px; }
.hc-status { font-size: .85rem; color: var(--c-success); font-weight: 600; }
.hc-mini { font-size: .78rem; opacity: .85; }
.hc-big { font-size: 1.8rem; font-weight: 800; margin: 6px 0; }
.hc-trend.up { color: #A0F0C0; font-weight: 700; }
.hc-bar {
    height: 10px;
    background: var(--c-tint);
    border-radius: 999px;
    overflow: hidden;
    margin: 10px 0 6px;
}
.hc-bar span {
    display: block;
    height: 100%;
    background: linear-gradient(90deg, var(--c-primary), var(--c-accent));
    border-radius: 999px;
}

/* ===== Feature blocks ===== */
.feature-blocks {
    padding: 80px 0;
    background: #fff;
}
.fb-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.fb-card {
    position: relative;
    background: #fff;
    border: 1px solid var(--c-border-soft);
    border-radius: var(--radius-lg);
    padding: 36px 28px 32px;
    transition: all .25s ease;
}
.fb-card:hover {
    border-color: var(--c-accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.fb-num {
    display: inline-block;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 2.5rem;
    line-height: 1;
    background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 12px;
}
.fb-card h3 { color: var(--c-dark); margin-bottom: 10px; }

/* ===== Services grid ===== */
.services {
    padding: 90px 0;
    background: linear-gradient(180deg, #FAFAFE 0%, #fff 100%);
}
.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 50px;
}
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}
.svc {
    background: #fff;
    border: 1px solid var(--c-border-soft);
    border-radius: var(--radius);
    padding: 28px;
    transition: all .2s ease;
}
.svc:hover {
    border-color: var(--c-primary);
    box-shadow: var(--shadow);
    transform: translateY(-3px);
}
.svc-ico {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: var(--c-tint);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 16px;
}
.svc h4 { color: var(--c-dark); }
.svc p { font-size: .95rem; margin: 0; }
.svc a { color: var(--c-primary); font-weight: 600; }

/* ===== Stat strip (About) ===== */
.stat-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
    margin-top: 40px;
    padding-top: 36px;
    border-top: 1px solid var(--c-border-soft);
}
.stat-num {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 2.2rem;
    line-height: 1;
    background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 8px;
}
.stat-label { color: var(--c-body); font-size: .9rem; }
@media (max-width: 720px) { .stat-strip { grid-template-columns: 1fr 1fr; gap: 28px 16px; } }

/* ===== Plan grid (also used on dashboard) ===== */
.plan-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
}
.plan-grid-public {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    max-width: 1100px;
    margin: 0 auto;
}
.plan-card {
    position: relative;
    background: #fff;
    border: 1px solid var(--c-border-soft);
    border-radius: var(--radius-lg);
    padding: 30px 26px;
    transition: transform .2s ease, box-shadow .2s ease;
}
.plan-card:hover { transform: translateY(-2px); }
.plan-card.featured,
.plan-card.current {
    border-color: var(--c-primary);
    box-shadow: 0 18px 40px rgba(37,99,235,.15);
}
.plan-badge {
    position: absolute;
    top: -12px;
    inset-inline-start: 24px;
    background: var(--c-primary);
    color: #fff;
    font-size: .72rem;
    font-weight: 700;
    padding: 5px 12px;
    border-radius: 999px;
    letter-spacing: .04em;
    text-transform: uppercase;
}
.plan-card h3 { color: var(--c-dark); margin-bottom: 6px; }
.plan-price {
    margin: 16px 0 20px;
    font-family: var(--font-display);
}
.plan-price strong { font-size: 2.2rem; color: var(--c-text); font-weight: 800; }
.plan-price span { color: var(--c-body); font-size: .92rem; margin-inline-start: 4px; }
.plan-features {
    list-style: none;
    padding: 0;
    margin: 0 0 24px;
    font-size: .94rem;
    color: var(--c-body);
}
.plan-features li {
    padding: 7px 0;
    position: relative;
    padding-inline-start: 22px;
}
.plan-features li::before {
    content: "✓";
    position: absolute;
    inset-inline-start: 0;
    color: var(--c-primary);
    font-weight: 800;
}
.btn-block { width: 100%; }
.small { font-size: .85rem; }
.muted { color: var(--c-body); }

/* ===== CTA band ===== */
.cta-band {
    padding: 70px 0;
    background: linear-gradient(135deg, var(--c-dark) 0%, var(--c-primary-700) 100%);
    color: #fff;
}
.cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    flex-wrap: wrap;
}
.cta-band h2 { color: #fff; margin-bottom: 6px; }
.cta-band p { margin: 0; opacity: .85; }

/* ===== Footer ===== */
.site-footer {
    background: var(--c-dark-2);
    color: rgba(255, 255, 255, .7);
    padding: 60px 0 24px;
    margin-top: 0;
}
.site-footer h4 {
    color: #fff;
    font-size: 1rem;
    margin-bottom: 14px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 40px;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 10px; font-size: .92rem; }
.footer-col a { color: rgba(255, 255, 255, .7); }
.footer-col a:hover { color: var(--c-accent); }
.footer-brand p { font-size: .92rem; line-height: 1.7; max-width: 360px; }
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .08);
    padding-top: 22px;
    margin-top: 40px;
    font-size: .85rem;
    text-align: center;
    color: rgba(255, 255, 255, .55);
}

/* ===== Responsive ===== */
@media (max-width: 960px) {
    .hero-inner { grid-template-columns: 1fr; }
    .hero-art { height: 340px; }
    .fb-grid,
    .services-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-brand { grid-column: span 2; }

    /* Mobile menu */
    .site-header { position: sticky; }
    .header-inner { flex-wrap: wrap; gap: 10px; }
    .nav-toggle { display: inline-flex; order: 3; }
    .primary-nav {
        order: 4;
        flex-basis: 100%;
        flex-direction: column;
        gap: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height .25s ease, padding .25s ease;
        padding: 0;
        background: #fff;
        border-top: 1px solid var(--c-border-soft);
        margin-inline: -20px;
        padding-inline: 20px;
    }
    .primary-nav.is-open {
        max-height: 80vh;
        padding-block: 8px 16px;
    }
    .primary-nav a {
        padding: 14px 0;
        border-bottom: 1px solid var(--c-border-soft);
        font-size: 1rem;
    }
    .primary-nav a:last-child { border-bottom: 0; }
    .primary-nav a::after { display: none; }
    .header-actions { gap: 8px; }
    .header-actions .lang-toggle { padding: 6px 8px; }
}

@media (max-width: 540px) {
    .header-actions .btn-outline { display: none; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-brand { grid-column: span 1; }
}