/* ============================================================
   InvoiceFlow - Public/Guest Site Styles
   File: assets/css/landing.css
   Design tokens below are the project-wide source of truth — the
   same values are mirrored in assets/css/style.css (dashboard) and
   includes/pdf_tokens.php (PDF pt equivalents) so web and PDF output
   stay visually consistent.
   ============================================================ */

:root {
    --if-brand-1:   #3730A3; /* Primary dark */
    --if-brand-2:   #4338CA; /* lighter indigo, gradient continuation of Primary dark */
    --if-dark-1:    #0F172A; /* Ink */
    --if-dark-2:    #1E1B4B;
    --if-dark-3:    #312E81;
    --if-accent:    #F59E0B; /* Accent */
    --if-ink:       #0F172A;
    --if-canvas:    #F8FAFC;
    --if-paid:      #059669;
    --if-pending:   #D97706;
    --if-overdue:   #E11D48;
    --if-draft:     #64748B;
}

body.if-public {
    font-family: 'Inter', sans-serif;
    color: var(--if-ink);
    background: var(--if-canvas);
}

/* ── Navbar ─────────────────────────────────────────────── */
.if-navbar {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    position: sticky;
    top: 0;
    z-index: 1030;
}
.if-navbar .nav-link {
    color: #3b3d55;
    font-weight: 500;
    font-size: 0.92rem;
    padding: 0.5rem 0.9rem !important;
}
.if-navbar .nav-link:hover { color: var(--if-brand-1); }
.if-navbar .nav-link.active { color: var(--if-brand-1); font-weight: 600; }

.if-pricing-link {
    color: #3b3d55;
    font-size: 0.92rem;
    font-weight: 500;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    padding-bottom: 2px;
    transition: border-color .15s;
}
.if-pricing-link:hover { border-color: var(--if-brand-1); color: var(--if-brand-1); }

.if-btn-gradient {
    background: linear-gradient(135deg, var(--if-brand-1), var(--if-brand-2));
    border: none;
    color: #fff;
    font-weight: 600;
    border-radius: 0.65rem;
    transition: all .2s;
    box-shadow: 0 4px 16px rgba(55, 48, 163,0.35);
}
.if-btn-gradient:hover {
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 8px 22px rgba(55, 48, 163,0.5);
}
.if-btn-outline {
    border: 1px solid rgba(55, 48, 163,0.4);
    color: var(--if-brand-1);
    font-weight: 600;
    border-radius: 0.65rem;
    background: transparent;
    transition: all .2s;
}
.if-btn-outline:hover {
    background: rgba(55, 48, 163,0.08);
    color: var(--if-brand-1);
    border-color: var(--if-brand-1);
}

/* ── Hero ───────────────────────────────────────────────── */
.if-hero {
    position: relative;
    overflow: hidden;
    padding: 5rem 1rem 4rem;
    text-align: center;
    background:
        radial-gradient(circle at 15% 20%, rgba(55, 48, 163,0.12), transparent 45%),
        radial-gradient(circle at 85% 15%, rgba(240,147,251,0.14), transparent 45%),
        radial-gradient(circle at 50% 100%, rgba(67, 56, 202,0.10), transparent 55%),
        #fbfbff;
}
.if-hero h1 {
    font-size: clamp(1.9rem, 4.5vw, 3.1rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--if-dark-1), var(--if-brand-2) 60%, var(--if-brand-1));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 0.75rem;
}
.if-hero p.if-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: #5b5d75;
    max-width: 560px;
    margin: 0 auto 2rem;
}

/* ── Mock invoice visual ────────────────────────────────── */
.if-mock-invoice {
    max-width: 380px;
    margin: 0 auto;
    background: #fff;
    border-radius: 1.1rem;
    box-shadow: 0 24px 60px rgba(31,33,48,0.14), 0 2px 8px rgba(31,33,48,0.06);
    padding: 1.75rem 1.75rem 1.25rem;
    text-align: left;
    transform: rotate(-1.2deg);
    transition: transform .35s ease;
}
.if-mock-invoice:hover { transform: rotate(0deg); }
.if-mock-invoice .if-mock-head {
    display: flex; justify-content: space-between; align-items: flex-start;
    margin-bottom: 1.1rem; padding-bottom: 1rem;
    border-bottom: 1px dashed #e5e7f0;
}
.if-mock-invoice .if-mock-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--if-brand-1), var(--if-brand-2));
    color: #fff; font-size: 0.65rem; font-weight: 700;
    letter-spacing: .04em; padding: 0.2rem 0.6rem; border-radius: 99px;
}
.if-mock-invoice .if-mock-row {
    display: flex; justify-content: space-between;
    font-size: 0.8rem; color: #565873; padding: 0.35rem 0;
    border-bottom: 1px solid #f2f2f8;
}
.if-mock-invoice .if-mock-total {
    display: flex; justify-content: space-between; align-items: center;
    margin-top: 0.9rem; padding-top: 0.9rem; border-top: 2px solid #1f2130;
    font-weight: 800; font-size: 1.05rem;
}
.if-mock-qr {
    width: 46px; height: 46px; border-radius: 8px;
    background: repeating-linear-gradient(45deg, #1f2130 0 3px, transparent 3px 6px);
    opacity: 0.85;
}

/* ── Invoice lifecycle row (Draft → Saved → Paid → Sent) ──
   Same .if-mock-invoice card design/effect as before, tiled
   left-to-right; click or auto-cycle brings one card forward. */
.if-lifecycle-row {
    display: flex; flex-wrap: nowrap; align-items: flex-start; gap: 1.5rem;
    overflow-x: auto; overflow-y: visible;
    padding: 1.5rem 0.25rem 2rem;
    scrollbar-width: thin;
}
.if-lifecycle-row .if-mock-invoice {
    flex: 0 0 auto;
    margin: 0;
    cursor: pointer;
    opacity: 0.5;
    transform: rotate(-1.2deg) scale(0.92);
}
.if-lifecycle-row .if-mock-invoice:hover { opacity: 0.8; }
.if-lifecycle-row .if-mock-invoice.active {
    opacity: 1;
    transform: rotate(0deg) scale(1.02);
    box-shadow: 0 28px 64px rgba(31,33,48,0.18), 0 4px 12px rgba(31,33,48,0.08);
}
.if-mock-badge-draft { background: #6b7280 !important; }
.if-mock-badge-saved { background: #4338ca !important; }
.if-mock-badge-paid  { background: #059669 !important; }
.if-mock-badge-sent  { background: #1d4ed8 !important; }
.if-lifecycle-caption { text-align: center; font-size: 0.85rem; color: #6b6d85; margin-top: 0.25rem; }

/* ── Feature cards ──────────────────────────────────────── */
.if-feature-card {
    border-radius: 1.1rem;
    padding: 1.75rem;
    background: #fff;
    border: 1px solid rgba(31,33,48,0.06);
    box-shadow: 0 4px 20px rgba(31,33,48,0.04);
    height: 100%;
    transition: transform .2s, box-shadow .2s;
}
.if-feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 32px rgba(55, 48, 163,0.14);
}
.if-feature-icon {
    width: 52px; height: 52px; border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem; color: #fff; margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--if-brand-1), var(--if-brand-2));
}

/* ── Recent invoices (guest) ────────────────────────────── */
.if-recent-card {
    border-radius: 1.1rem;
    background: #fff;
    border: 1px solid rgba(31,33,48,0.06);
    box-shadow: 0 4px 20px rgba(31,33,48,0.04);
}
.if-recent-item {
    display: flex; align-items: center; gap: 0.9rem;
    padding: 0.85rem 1rem; border-radius: 0.75rem;
    transition: background .15s;
}
.if-recent-item:hover { background: #f7f7fc; }
.if-guest-badge {
    background: rgba(55, 48, 163,0.1);
    color: var(--if-brand-1);
    font-size: 0.7rem; font-weight: 700;
    padding: 0.2rem 0.6rem; border-radius: 99px;
}
.if-action-btn {
    width: 34px; height: 34px; border-radius: 9px;
    display: inline-flex; align-items: center; justify-content: center;
    border: 1px solid rgba(31,33,48,0.08); background: #fff; color: #565873;
    transition: all .15s;
}
.if-action-btn:hover { background: var(--if-brand-1); color: #fff; border-color: var(--if-brand-1); }

/* ── CTA band ───────────────────────────────────────────── */
.if-cta-band {
    background: linear-gradient(135deg, var(--if-dark-1), var(--if-dark-2) 60%, var(--if-brand-2));
    border-radius: 1.5rem;
    padding: 3rem 2rem;
    color: #fff;
    text-align: center;
}

/* ── Footer ─────────────────────────────────────────────── */
.if-footer {
    background: #14152a;
    color: rgba(255,255,255,0.65);
    padding: 3rem 1rem 1.5rem;
    font-size: 0.875rem;
}
.if-footer a { color: rgba(255,255,255,0.75); text-decoration: none; }
.if-footer a:hover { color: #fff; }

/* ── Session countdown pill ─────────────────────────────── */
.if-session-pill {
    background: #fff3cd;
    color: #856404;
    font-size: 0.78rem;
    font-weight: 600;
    padding: 0.4rem 0.9rem;
    border-radius: 99px;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

/* ── Login overlay modal ────────────────────────────────── */
.if-login-modal .modal-content {
    border: none;
    border-radius: 1.25rem;
    overflow: hidden;
    box-shadow: 0 24px 70px rgba(15,12,41,0.35);
}
.if-login-modal .if-login-banner {
    background: linear-gradient(135deg, var(--if-dark-1), var(--if-dark-2), var(--if-brand-2));
    padding: 1.75rem 2rem 1.5rem;
    color: #fff;
    text-align: center;
}
.if-login-modal .modal-body { padding: 2rem; }
.if-oauth-btn {
    display: flex; align-items: center; justify-content: center; gap: 0.6rem;
    width: 100%; padding: 0.65rem; border-radius: 0.65rem;
    border: 1px solid rgba(31,33,48,0.12); background: #fff; color: #33344a;
    font-weight: 600; font-size: 0.88rem; transition: background .15s;
}
.if-oauth-btn:hover { background: #f7f7fc; }