/* ─────────────────────────────────────────────────────────────────────────
   Yacine Immo Solutions — app.css
   Design System Principal (Built Asset)
   ───────────────────────────────────────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,600;0,9..144,700;1,9..144,300;1,9..144,600&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --color-navy:         #0F2A47;
    --color-navy-light:   #1B3B5F;
    --color-navy-dark:    #0A1E33;
    --color-gold:         #C9A24B;
    --color-gold-vivid:   #D9A441;
    --color-gold-muted:   #E8C97A;
    --color-gold-pale:    #F5E8C4;
    --color-cream:        #F7F5F0;
    --color-cream-dark:   #EDE9E0;
    --color-charcoal:     #2B2B2B;
    --color-charcoal-lt:  #4A4A4A;
    --color-charcoal-muted: #6B6B6B;

    --font-serif: 'Fraunces', Georgia, serif;
    --font-sans:  'Inter', system-ui, sans-serif;

    --radius-btn:  8px;
    --radius-card: 16px;
    --radius-pill: 9999px;

    --shadow-card:    0 2px 8px 0 rgba(15, 42, 71, 0.06), 0 1px 3px 0 rgba(15, 42, 71, 0.04);
    --shadow-card-md: 0 4px 16px 0 rgba(15, 42, 71, 0.08), 0 2px 6px 0 rgba(15, 42, 71, 0.05);
    --shadow-card-lg: 0 8px 32px 0 rgba(15, 42, 71, 0.10), 0 4px 12px 0 rgba(15, 42, 71, 0.06);
    --shadow-gold:    0 2px 12px 0 rgba(201, 162, 75, 0.20);
    --shadow-header:  0 1px 0 0 rgba(15, 42, 71, 0.08);

    --ease-premium: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --ease-spring:  cubic-bezier(0.34, 1.56, 0.64, 1);
    --header-h: 72px;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-sans);
    font-weight: 400;
    color: var(--color-charcoal);
    background-color: var(--color-cream);
    line-height: 1.65;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 600;
    color: var(--color-navy);
    line-height: 1.2;
}

a {
    color: inherit;
    text-decoration: none;
}

.bg-navy { background-color: var(--color-navy) !important; }
.bg-navy-light { background-color: var(--color-navy-light) !important; }
.bg-cream { background-color: var(--color-cream) !important; }
.bg-gold { background-color: var(--color-gold) !important; }

.text-navy { color: var(--color-navy) !important; }
.text-gold { color: var(--color-gold) !important; }
.text-gold-vivid { color: var(--color-gold-vivid) !important; }
.text-gold-pale { color: var(--color-gold-pale) !important; }
.text-charcoal { color: var(--color-charcoal) !important; }
.text-charcoal-muted { color: var(--color-charcoal-muted) !important; }

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    background-color: var(--color-navy);
    color: #fff;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--radius-btn);
    border: 1px solid var(--color-navy);
    cursor: pointer;
    transition: all 0.25s var(--ease-premium);
}
.btn-primary:hover {
    background-color: var(--color-navy-light);
    border-color: var(--color-navy-light);
    transform: translateY(-1px);
}

.btn-gold {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    background-color: var(--color-gold);
    color: var(--color-navy);
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-btn);
    border: 1px solid var(--color-gold);
    cursor: pointer;
    transition: all 0.25s var(--ease-premium);
}
.btn-gold:hover {
    background-color: var(--color-gold-vivid);
    border-color: var(--color-gold-vivid);
    transform: translateY(-1px);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    background-color: transparent;
    color: var(--color-navy);
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--radius-btn);
    border: 1.5px solid var(--color-navy);
    cursor: pointer;
    transition: all 0.25s var(--ease-premium);
}
.btn-outline:hover {
    background-color: var(--color-navy);
    color: #fff;
}

.card {
    background-color: #fff;
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    transition: shadow 0.35s var(--ease-premium);
}

.separator-gold {
    width: 3rem;
    height: 2px;
    background-color: var(--color-gold);
    display: block;
    border-radius: var(--radius-pill);
}

.badge-gold {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-pill);
    font-size: 0.75rem;
    font-weight: 500;
    background-color: var(--color-gold-pale);
    color: var(--color-navy);
}

.input {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: #fff;
    border: 1px border var(--color-cream-dark);
    border-radius: var(--radius-btn);
    color: var(--color-charcoal);
    font-size: 0.875rem;
}
.input:focus {
    outline: 2px solid var(--color-gold);
}

.label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-charcoal-lt);
    margin-bottom: 0.375rem;
}