:root {
    --primary: #f66b0e;
    --primary-rgb: 246, 107, 14;
    --primary-shade: #d95e0c;
    --primary-tint: #f77a26;
    --secondary: #205375;
    --secondary-rgb: 32, 83, 117;
    --dark: #121212;
    --dark-surface: #1e1e1e;
    --dark-card: #2d2d2d;
    --light: #f4f5f8;
    --success: #2dd36f;
    --danger: #eb445a;
    --warning: #ffc409;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--dark);
    color: var(--light);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
.navbar {
    background-color: rgba(18, 18, 18, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--light);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-link {
    color: var(--light);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.nav-link:hover {
    color: var(--primary);
}

.btn-dashboard {
    background-color: var(--secondary);
    color: white;
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
    transition: transform 0.3s, background-color 0.3s;
}

.btn-dashboard:hover {
    background-color: #2a6a96;
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    padding: 100px 0;
    display: flex;
    align-items: center;
    gap: 50px;
    min-height: 80vh;
}

.hero-content {
    flex: 1;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    position: relative;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 50px rgba(0,0,0,0.5));
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #fff 0%, #f66b0e 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.2rem;
    color: #92949c;
    margin-bottom: 2.5rem;
    max-width: 500px;
}

.btn-group {
    display: flex;
    gap: 15px;
}

.btn-main {
    background-color: var(--primary);
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: 0 10px 20px rgba(246, 107, 14, 0.3);
    transition: all 0.3s;
}

.btn-main:hover {
    background-color: var(--primary-shade);
    transform: scale(1.05);
}

/* Features */
.features {
    padding: 100px 0;
    background-color: var(--dark-surface);
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.section-title p {
    color: #92949c;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--dark-card);
    padding: 40px;
    border-radius: 24px;
    transition: transform 0.3s;
    border: 1px solid rgba(255, 255, 255, 0.03);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.feature-card p {
    color: #92949c;
    font-size: 0.95rem;
}

/* Verification Box */
.verify-section {
    padding: 100px 0;
    text-align: center;
}

.verify-container {
    background: linear-gradient(135deg, var(--dark-card) 0%, #1a1a1a 100%);
    padding: 60px;
    border-radius: 32px;
    max-width: 800px;
    margin: 0 auto;
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 30px 60px rgba(0,0,0,0.4);
}

.input-wrapper {
    display: flex;
    background-color: var(--dark);
    padding: 8px;
    border-radius: 16px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 20px;
    transition: border-color 0.3s;
}

.input-wrapper:focus-within {
    border-color: var(--primary);
}

.input-wrapper input {
    flex: 1;
    background: transparent;
    border: none;
    color: white;
    padding: 15px 20px;
    font-size: 1.1rem;
    outline: none;
}

.input-wrapper button {
    background-color: var(--primary);
    color: white;
    border: none;
    padding: 0 30px;
    border-radius: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.3s;
}

/* Dashboard Table */
.table-container {
    background-color: var(--dark-card);
    border-radius: 16px;
    overflow: hidden;
    margin-top: 30px;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 20px;
    text-align: left;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #92949c;
}

td {
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.badge {
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
}

.badge-success { background-color: rgba(45, 211, 111, 0.1); color: var(--success); }
.badge-pending { background-color: rgba(255, 196, 9, 0.1); color: var(--warning); }
.badge-danger { background-color: rgba(235, 68, 90, 0.1); color: var(--danger); }

/* Transaction Detail Utilities */
.transaction-info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.transaction-info-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.transaction-info-row:first-child {
    padding-top: 0;
}

.transaction-info-label {
    color: #92949c;
    font-size: 0.85rem;
    font-weight: 500;
}

.transaction-info-value {
    font-weight: 700;
    color: var(--light);
    font-size: 1rem;
}

.btn-status {
    background: transparent;
    color: var(--warning);
    border: 2px solid var(--warning);
    padding: 12px 25px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-status:hover {
    background-color: var(--warning);
    color: #000;
    box-shadow: 0 0 20px rgba(255, 196, 9, 0.4);
    transform: translateY(-2px);
}

.btn-status:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Additional Utilities */
.text-center { text-align: center; }
.text-start { text-align: left; }
.text-end { text-align: right; }
.mx-auto { margin-left: auto; margin-right: auto; }
.d-block { display: block; }
.w-100 { width: 100%; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 3rem; }
.py-5 { padding-top: 3rem; padding-bottom: 3rem; }
.px-5 { padding-left: 3rem; padding-right: 3rem; }
.fw-bold { font-weight: 700; }
.rounded-pill { border-radius: 50px; }
.d-flex { display: flex; }
.justify-content-center { justify-content: center; }
.align-items-center { align-items: center; }
.gap-3 { gap: 1rem; }
.gap-4 { gap: 1.5rem; }

/* Minimal Grid System */
.row {
    display: flex;
    flex-wrap: wrap;
    margin-left: -15px;
    margin-right: -15px;
}
.row > [class*="col-"] {
    padding-left: 15px;
    padding-right: 15px;
    width: 100%;
}

@media (min-width: 768px) {
    .col-md-4 { flex: 0 0 auto; width: 33.333333%; }
    .col-md-5 { flex: 0 0 auto; width: 41.666667%; }
    .col-md-6 { flex: 0 0 auto; width: 50%; }
    .col-md-7 { flex: 0 0 auto; width: 58.333333%; }
    .col-md-12 { flex: 0 0 auto; width: 100%; }
}

/* Form Refinement */
.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.form-label {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #92949c;
    margin-bottom: 8px;
    font-weight: 700;
}

.login-card {
    background-color: var(--dark-card);
    padding: 50px;
    border-radius: 32px;
    width: 100%;
    max-width: 450px;
    margin: 0 auto;
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 40px 80px rgba(0,0,0,0.5);
}

.appreciation-box {
    background: linear-gradient(135deg, var(--secondary) 0%, #153a52 100%);
    padding: 60px;
    border-radius: 32px;
    text-align: center;
    margin-top: 50px;
}

/* Download Section */
.download-card {
    background: linear-gradient(135deg, rgba(32, 83, 117, 0.2) 0%, rgba(18, 18, 18, 0.8) 100%);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.download-btn:hover {
    background-color: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}

/* Responsive */
/* Responsive Fixes */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 60px 0;
        gap: 30px;
    }
    .hero h1 { font-size: 3rem; }
    .hero p { margin-left: auto; margin-right: auto; }
    .btn-group { justify-content: center; }
    .hero-image { order: -1; width: 100%; max-width: 400px; margin: 0 auto; }
}

@media (max-width: 768px) {
    .navbar { padding: 0.8rem 0; }
    
    .mobile-menu-toggle { display: block; }
    
    .nav-links { 
        display: none; 
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(18, 18, 18, 0.98);
        backdrop-filter: blur(15px);
        padding: 20px 30px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        box-shadow: 0 10px 30px rgba(0,0,0,0.5);
        z-index: 1001;
    }
    
    .nav-links.active { display: flex; }
    
    .nav-links .nav-link { 
        margin: 10px 0 !important; 
        padding: 10px 0; 
        border-bottom: 1px solid rgba(255,255,255,0.05); 
        text-align: left;
    }
    
    .nav-links .btn-dashboard {
        margin-top: 15px;
        display: inline-block;
        text-align: center;
    }
    
    .container { padding: 0 15px; }
    
    .hero { padding: 40px 0; }
    .hero h1 { font-size: 2.2rem; }
    .hero p { font-size: 1rem; margin-bottom: 2rem; }
    .btn-main { padding: 0.8rem 1.8rem; font-size: 1rem; width: 100%; text-align: center; }
    .btn-group { flex-direction: column; width: 100%; }
    .btn-group .nav-link { margin: 15px 0 0 0 !important; text-align: center; display: block; }
    
    .features { padding: 60px 0; }
    .section-title h2 { font-size: 1.8rem; }
    .feature-grid { grid-template-columns: 1fr; }
    .feature-card { padding: 25px; }
    
    .verify-section { padding: 60px 0; }
    .verify-container { padding: 25px 20px; border-radius: 24px; }
    .verify-container h2 { font-size: 1.5rem; }
    
    .input-wrapper { 
        flex-direction: column; 
        gap: 10px; 
        background: transparent !important; 
        border: none !important; 
        padding: 0 !important; 
        box-shadow: none !important;
    }
    .input-wrapper input { 
        background-color: var(--dark-surface); 
        border-radius: 12px; 
        border: 2px solid rgba(255, 255, 255, 0.1); 
        width: 100%;
        margin-bottom: 5px;
    }
    .input-wrapper button { 
        width: 100%; 
        padding: 16px; 
        border-radius: 12px; 
        font-size: 1rem;
    }
    
    .appreciation-box { padding: 35px 20px; border-radius: 24px; margin-top: 30px; }
    .appreciation-box h2 { font-size: 1.6rem; }
    .appreciation-box p { font-size: 0.95rem; }
    
    .login-card { padding: 30px 20px; border-radius: 24px; }
    
    .transaction-info { padding: 20px !important; }
    .transaction-info-value { font-size: 0.9rem; }
    
    .card-body { padding: 25px 20px !important; }
    .card-header { padding: 20px !important; }
    
    .license-container { padding: 20px !important; }
    .key-display { padding: 15px !important; font-size: 0.75rem !important; }
}