/* ==========================================
   MODERN ELEGANT RESPONSIVE DESIGN
   Umroh Kemitraan System
   =========================================== */

:root {
    --primary: #ff9500;
    --primary-dark: #ff8000;
    --primary-light: #ffb733;
    --secondary: #1e5c3d;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    --light: #f8fafc;
    --dark: #1e293b;
    --border: #e2e8f0;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   BASE STYLES
   ======================================== */

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

html {
    scroll-behavior: smooth;
}

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

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

p {
    color: #64748b;
    margin-bottom: 1rem;
}

.lead {
    font-size: 1.125rem;
    font-weight: 500;
    color: #475569;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
}

/* ========================================
   NAVBAR
   ======================================== */

.navbar {
    background: white;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
}

.navbar-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.navbar-menu a {
    font-weight: 600;
    color: #64748b;
    transition: all 0.3s ease;
}

.navbar-menu a.btn {
    color: white !important;
}

.navbar-menu a:hover {
    color: var(--primary);
}

.navbar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark);
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #6b3e8b 100%);
}

.btn-secondary {
    background-color: var(--secondary);
    color: white;
}

.btn-success {
    background-color: var(--success);
    color: white;
}

.btn-warning {
    background-color: var(--warning);
    color: white;
}

.btn-danger {
    background-color: var(--danger);
    color: white;
}

.btn-outline-light {
    border: 2px solid white;
    color: white;
    background-color: transparent;
}

.btn-outline-light:hover {
    background-color: white;
    color: var(--primary);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

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

/* ========================================
   CARDS
   ======================================== */

.card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.card-header {
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    font-weight: 700;
    border: none;
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    padding: 1.5rem;
    background-color: #f9fafb;
    border-top: 1px solid var(--border);
}

/* ========================================
   NAVBAR
   ======================================== */

.navbar {
    background: white;
    box-shadow: var(--shadow-md);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-brand i {
    font-size: 1.75rem;
    -webkit-text-fill-color: var(--primary);
}

.navbar-nav .nav-link {
    font-weight: 600;
    color: var(--dark);
    transition: var(--transition);
    position: relative;
}

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

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    transition: width 0.3s ease;
}

.navbar-nav .nav-link:hover::after {
    width: 100%;
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero h1 {
    color: white;
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1;
}

.hero .lead {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

/* ========================================
   FORMS
   ======================================== */

.form-control,
.form-select {
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    outline: none;
}

.form-label {
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

/* ========================================
   ALERTS
   ======================================== */

.alert {
    border: none;
    border-radius: 0.75rem;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.alert-warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.alert-info {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--info);
}

/* ========================================
   BADGES
   ======================================== */

.badge {
    padding: 0.5rem 0.875rem;
    border-radius: 9999px;
    font-size: 0.8rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.badge-primary {
    background-color: rgba(102, 126, 234, 0.2);
    color: var(--primary);
}

.badge-success {
    background-color: rgba(16, 185, 129, 0.2);
    color: var(--success);
}

.badge-warning {
    background-color: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

.badge-danger {
    background-color: rgba(239, 68, 68, 0.2);
    color: var(--danger);
}

/* ========================================
   TABLES
   ======================================== */

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

.table thead {
    background-color: #f9fafb;
    border-bottom: 2px solid var(--border);
}

.table thead th {
    padding: 1rem;
    text-align: left;
    font-weight: 700;
    color: var(--dark);
}

.table tbody td {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
}

.table tbody tr:hover {
    background-color: #f9fafb;
}

/* ========================================
   GRID & LAYOUT
   ======================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: -0.5rem;
}

.col,
[class*="col-"] {
    flex: 1;
    min-width: 0;
    padding: 0.5rem;
}

.col-1 { flex: 0 0 8.333%; }
.col-2 { flex: 0 0 16.666%; }
.col-3 { flex: 0 0 25%; }
.col-4 { flex: 0 0 33.333%; }
.col-6 { flex: 0 0 50%; }
.col-12 { flex: 0 0 100%; }

@media (max-width: 768px) {
    .col-md-1 { flex: 0 0 8.333%; }
    .col-md-2 { flex: 0 0 16.666%; }
    .col-md-3 { flex: 0 0 25%; }
    .col-md-4 { flex: 0 0 33.333%; }
    .col-md-6 { flex: 0 0 50%; }
    .col-md-12 { flex: 0 0 100%; }
}

@media (max-width: 576px) {
    .col-sm-1 { flex: 0 0 8.333%; }
    .col-sm-2 { flex: 0 0 16.666%; }
    .col-sm-3 { flex: 0 0 25%; }
    .col-sm-4 { flex: 0 0 33.333%; }
    .col-sm-6 { flex: 0 0 50%; }
    .col-sm-12 { flex: 0 0 100%; }
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }
.p-5 { padding: 3rem; }

.rounded { border-radius: 0.5rem; }
.rounded-lg { border-radius: 0.75rem; }
.rounded-xl { border-radius: 1rem; }
.rounded-full { border-radius: 9999px; }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

.w-100 { width: 100%; }
.h-100 { height: 100%; }
.min-vh-100 { min-height: 100vh; }

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

.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.gap-4 { gap: 2rem; }

.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }

/* ========================================
   ANIMATIONS
   ======================================== */

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.animate-slideInUp {
    animation: slideInUp 0.5s ease-out;
}

.animate-slideInDown {
    animation: slideInDown 0.5s ease-out;
}

.animate-fadeIn {
    animation: fadeIn 0.5s ease-out;
}

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* ========================================
   FOOTER
   ======================================== */

footer {
    background-color: var(--dark);
    color: white;
    padding: 2rem 0;
    margin-top: auto;
}

footer a {
    color: rgba(255, 255, 255, 0.7);
}

footer a:hover {
    color: white;
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }

    .hero {
        padding: 4rem 1.5rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .container {
        padding: 0 1.5rem;
    }

    .navbar-menu {
        display: none !important;
        gap: 1rem !important;
    }

    .navbar-toggle {
        display: block !important;
    }

    .navbar-menu.active {
        display: flex !important;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        padding: 2rem;
        gap: 1rem;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        z-index: 1000;
    }

    [style*="gap: 2rem"] {
        gap: 1rem !important;
    }

    [style*="padding: 6rem"] {
        padding: 3rem 1.5rem !important;
    }

    [style*="padding: 5rem"] {
        padding: 2rem 1.5rem !important;
    }

    [style*="font-size: 3.5rem"] {
        font-size: 2rem !important;
    }

    [style*="font-size: 2.5rem"] {
        font-size: 1.75rem !important;
    }

    [style*="grid-template-columns: repeat"] {
        grid-template-columns: 1fr !important;
    }

    section {
        padding: 2rem 1rem !important;
    }
}

@media (max-width: 576px) {
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.25rem; }
    h3 { font-size: 1rem; }

    .hero {
        padding: 2.5rem 1rem;
    }

    .hero h1 {
        font-size: 1.75rem;
    }

    .btn {
        padding: 0.65rem 1.25rem;
        font-size: 0.9rem;
    }

    .card {
        margin-bottom: 1rem;
    }

    .container {
        padding: 0 1rem;
    }

    p {
        font-size: 0.95rem;
        line-height: 1.5;
    }

    [style*="grid-template-columns: repeat"] {
        grid-template-columns: 1fr !important;
    }

    [style*="gap: 2rem"] {
        gap: 0.75rem !important;
    }

    [style*="gap: 3rem"] {
        gap: 1rem !important;
    }

    [style*="padding: 1.5rem"] {
        padding: 1rem !important;
    }

    [style*="padding: 2rem"] {
        padding: 1rem !important;
    }

    [style*="margin-bottom: 2rem"],
    [style*="margin-bottom: 3rem"] {
        margin-bottom: 1rem !important;
    }

    div[style*="display: flex; gap: 2rem"] {
        flex-direction: column !important;
        gap: 1rem !important;
    }

    div[style*="display: grid"] {
        grid-template-columns: 1fr !important;
    }

    section {
        padding: 1.5rem 1rem !important;
    }
}