/* ======================================================
   INVOICE31 - Complete CSS
   ====================================================== */

/* ---------- General ---------- */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --dark: #0f172a;
    --gray: #64748b;
    --light-gray: #f1f5f9;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f8fafc;
    color: #1e293b;
    line-height: 1.6;
    padding-top: 70px;
}

a {
    color: var(--primary);
    text-decoration: none;
}
a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* ---------- Header ---------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1030;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    padding: 8px 0;
    transition: all 0.3s ease;
}

.header .navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--dark);
}

.header .navbar-brand .brand-text {
    font-weight: 700;
    letter-spacing: -0.5px;
}

.header .nav-link {
    font-weight: 500;
    color: var(--gray);
    padding: 0.5rem 1rem;
    transition: color 0.2s;
}
.header .nav-link:hover {
    color: var(--primary);
}
.header .nav-link.active {
    color: var(--primary);
}

.btn-launch {
    padding: 0.4rem 1.2rem;
    border-radius: 50px;
    font-weight: 600;
    background: var(--primary);
    border: none;
    transition: all 0.3s ease;
}
.btn-launch:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

/* ---------- Buttons ---------- */
.btn-primary {
    background: var(--primary);
    border: none;
    border-radius: 50px;
    padding: 0.6rem 1.8rem;
    font-weight: 600;
    transition: all 0.3s ease;
}
.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-outline-primary {
    border-radius: 50px;
    border-color: var(--primary);
    color: var(--primary);
}
.btn-outline-primary:hover {
    background: var(--primary);
    color: #fff;
}

.btn-lg {
    padding: 0.8rem 2.5rem;
    font-size: 1.1rem;
}

/* ---------- Hero Section ---------- */
.hero {
    padding: 60px 0 80px;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    min-height: calc(100vh - 70px);
    display: flex;
    align-items: center;
}

.hero h1 {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--dark);
}

.hero .hero-subtitle {
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: 2rem;
}

.hero .hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.hero .hero-stats {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.hero .hero-stats span {
    font-size: 0.95rem;
    color: var(--gray);
}
.hero .hero-stats span i {
    color: var(--primary);
    margin-right: 6px;
}

.hero .hero-image {
    text-align: center;
}
.hero .hero-image img {
    max-width: 100%;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

/* ---------- Section Headers ---------- */
.section-header {
    margin-bottom: 3rem;
}
.section-header h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--dark);
}
.section-header p {
    color: var(--gray);
    font-size: 1.1rem;
}

/* ---------- Features Section ---------- */
.features {
    padding: 80px 0;
}

.feature-card {
    background: #fff;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    height: 100%;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: var(--gray);
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* ---------- How It Works ---------- */
.how-it-works {
    padding: 80px 0;
    background: #fff;
}

.step-card {
    text-align: center;
    padding: 2rem;
}

.step-card .step-number {
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    margin: 0 auto 1rem;
}

.step-card i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.step-card h4 {
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.step-card p {
    color: var(--gray);
}

/* ---------- FAQ Section ---------- */
.faq {
    padding: 80px 0;
    background: #f8fafc;
}

.accordion-item {
    border: none;
    margin-bottom: 0.5rem;
    border-radius: 12px !important;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.accordion-button {
    font-weight: 600;
    padding: 1rem 1.5rem;
    background: #fff;
    border: none;
    border-radius: 12px !important;
}

.accordion-button:not(.collapsed) {
    background: #fff;
    color: var(--primary);
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: none;
    border-color: transparent;
}

.accordion-body {
    padding: 0 1.5rem 1.5rem;
    color: var(--gray);
}

/* ---------- CTA Section ---------- */
.cta {
    padding: 80px 0;
    background: var(--dark);
    color: #fff;
}

.cta h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta p {
    font-size: 1.1rem;
    opacity: 0.8;
    margin-bottom: 2rem;
}

.cta .btn-primary {
    background: #fff;
    color: var(--dark);
}
.cta .btn-primary:hover {
    background: var(--primary);
    color: #fff;
}

/* ---------- Footer ---------- */
.footer {
    background: #0f172a;
    color: #94a3b8;
    padding: 60px 0 30px;
}

.footer h5 {
    color: #e2e8f0;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer ul {
    list-style: none;
    padding: 0;
}
.footer ul li {
    margin-bottom: 0.5rem;
}
.footer ul li a {
    color: #94a3b8;
    transition: color 0.2s;
}
.footer ul li a:hover {
    color: #e2e8f0;
    text-decoration: none;
}

.footer .footer-bottom {
    border-top: 1px solid #1e293b;
    padding-top: 2rem;
    margin-top: 2rem;
    text-align: center;
}

.footer .footer-bottom p {
    margin-bottom: 0;
    font-size: 0.9rem;
}

/* ---------- Page Hero ---------- */
.page-hero {
    padding: 60px 0 40px;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.page-hero h1 {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--dark);
}

.page-hero p {
    font-size: 1.2rem;
    color: var(--gray);
}

/* ---------- Features Detail ---------- */
.feature-detail {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    height: 100%;
    transition: all 0.3s ease;
}

.feature-detail:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    transform: translateY(-4px);
}

.feature-detail i {
    font-size: 2rem;
    color: var(--primary);
    flex-shrink: 0;
}

.feature-detail h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
}

.feature-detail p {
    color: var(--gray);
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* ---------- FAQ Page ---------- */
.faq-page {
    padding: 60px 0 80px;
}

.faq-item {
    padding: 1.5rem 0;
    border-bottom: 1px solid #e2e8f0;
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-item h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.faq-item p {
    color: var(--gray);
    margin-bottom: 0;
}

/* ---------- Contact Section ---------- */
.contact-section {
    padding: 60px 0 80px;
}

.contact-card {
    background: #fff;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.contact-card .form-control {
    border-radius: 12px;
    padding: 0.8rem 1rem;
    border-color: #e2e8f0;
}

.contact-card .form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* ---------- Legal Content ---------- */
.legal-content {
    padding: 60px 0 80px;
}

.legal-content h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.legal-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.legal-content p {
    color: var(--gray);
    margin-bottom: 1rem;
}

.legal-content ul {
    color: var(--gray);
    margin-bottom: 1rem;
}
.legal-content ul li {
    margin-bottom: 0.5rem;
}

/* ---------- Blog Pages ---------- */
.blog-post {
    padding: 60px 0 80px;
}

.blog-post h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.blog-post .blog-meta {
    color: var(--gray);
    margin-bottom: 2rem;
}

.blog-post h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.blog-post p {
    color: var(--gray);
    margin-bottom: 1rem;
}

.blog-post ul,
.blog-post ol {
    color: var(--gray);
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}
.blog-post ul li,
.blog-post ol li {
    margin-bottom: 0.5rem;
}

.blog-post .cta-box {
    background: #f1f5f9;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    margin: 2rem 0;
}

.blog-post .cta-box h3 {
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.blog-post .cta-box p {
    margin-bottom: 1rem;
}

.blog-post .blog-footer {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid #e2e8f0;
}

/* ---------- Blog Listing ---------- */
.blog-listing {
    padding: 60px 0 80px;
}

.blog-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    height: 100%;
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.blog-card .blog-image {
    background: var(--primary);
    color: #fff;
    padding: 2rem 0;
    text-align: center;
}
.blog-card .blog-image i {
    font-size: 3rem;
}

.blog-card .blog-body {
    padding: 1.5rem;
}

.blog-card .blog-body h3 {
    font-size: 1.1rem;
    font-weight: 700;
}
.blog-card .blog-body h3 a {
    color: var(--dark);
}
.blog-card .blog-body h3 a:hover {
    color: var(--primary);
    text-decoration: none;
}

.blog-card .blog-body .blog-meta {
    color: var(--gray);
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

.blog-card .blog-body p {
    color: var(--gray);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

/* ---------- Logo Size Fixes ---------- */

/* Header Logo */
.header .navbar-brand img {
    height: 50px;
    width: auto;
}

/* Hero Logo */
.hero .hero-image img {
    max-width: 400px;
    width: 100%;
    height: auto;
}

/* Footer Logo */
.footer img {
    height: 40px;
    width: auto;
}

/* ---------- Responsive ---------- */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    .hero .hero-subtitle {
        font-size: 1rem;
    }
    .section-header h2 {
        font-size: 1.8rem;
    }
    .page-hero h1 {
        font-size: 2.2rem;
    }
    
    /* Logo responsive - Tablet */
    .header .navbar-brand img {
        height: 40px;
    }
    .hero .hero-image img {
        max-width: 300px;
    }
    .footer img {
        height: 35px;
    }
}

@media (max-width: 768px) {
    body {
        padding-top: 60px;
    }

    .header .navbar-brand {
        font-size: 1.1rem;
    }
    .header .navbar-brand img {
        height: 40px;
    }

    .hero {
        padding: 40px 0 60px;
        min-height: auto;
    }
    .hero h1 {
        font-size: 2rem;
    }
    .hero .hero-image {
        margin-top: 2rem;
    }
    .hero .hero-image img {
        max-width: 250px;
    }

    .features {
        padding: 40px 0;
    }
    .how-it-works {
        padding: 40px 0;
    }
    .faq {
        padding: 40px 0;
    }
    .cta {
        padding: 40px 0;
    }
    .cta h2 {
        font-size: 1.8rem;
    }

    .section-header h2 {
        font-size: 1.5rem;
    }

    .page-hero {
        padding: 40px 0 30px;
    }
    .page-hero h1 {
        font-size: 1.8rem;
    }

    .blog-post h1 {
        font-size: 1.8rem;
    }
    .blog-post h2 {
        font-size: 1.3rem;
    }

    .contact-card {
        padding: 1.5rem;
    }

    .footer {
        padding: 40px 0 20px;
    }
    .footer .col-md-4,
    .footer .col-md-2 {
        margin-bottom: 1.5rem;
    }
    .footer img {
        height: 32px;
    }

    .feature-detail {
        padding: 1rem;
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 1.6rem;
    }
    .hero .hero-stats {
        gap: 1rem;
        font-size: 0.85rem;
    }
    .hero .hero-stats span {
        font-size: 0.8rem;
    }
    .hero .hero-image img {
        max-width: 200px;
    }

    .btn-lg {
        padding: 0.6rem 1.5rem;
        font-size: 0.95rem;
    }

    .feature-card {
        padding: 1.5rem;
    }
    .feature-card i {
        font-size: 2rem;
    }

    .accordion-button {
        padding: 0.8rem 1rem;
        font-size: 0.9rem;
    }
    .accordion-body {
        padding: 0 1rem 1rem;
        font-size: 0.9rem;
    }

    /* Logo responsive - Mobile */
    .header .navbar-brand img {
        height: 32px;
    }
    .footer img {
        height: 28px;
    }
}

/* ---------- Extra Small Screens ---------- */
@media (max-width: 360px) {
    .hero h1 {
        font-size: 1.4rem;
    }
    .hero .hero-image img {
        max-width: 150px;
    }
    .header .navbar-brand img {
        height: 28px;
    }
    .footer img {
        height: 24px;
    }
}

/* ---------- Thermal print styles ---------- */
@media print {
    .thermal-print * {
        font-size: 12px;
    }
    .thermal-print .table td,
    .thermal-print .table th {
        padding: 4px;
    }
}