/* ================================
   VARIABLES & GLOBAL STYLES
   ================================ */

:root {
    --primary-color: #1a8d4e;
    --primary-dark: #0f6937;
    --primary-light: #2fb566;
    --secondary-color: #f59e0b;
    --danger-color: #ef4444;
    --dark-color: #1f2937;
    --light-color: #f3f4f6;
    --border-color: #e5e7eb;
    --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 20px 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);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: #ffffff;
}

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

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    color: #6b7280;
}

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

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

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

.navbar {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
    box-shadow: var(--shadow-md);
    padding: 1rem 0;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: white !important;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-brand:hover {
    opacity: 0.9;
}

.navbar a {
    color: white;
    transition: var(--transition);
    margin: 0 0.5rem;
}

.navbar a:hover {
    color: var(--secondary-color);
    text-decoration: none;
}

.navbar-dark .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.85);
}

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

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

.btn {
    border: none;
    border-radius: 8px;
    font-weight: 600;
    padding: 0.6rem 1.5rem;
    transition: var(--transition);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.95rem;
}

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

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

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

.btn-warning {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #f97316 100%);
    color: white;
}

.btn-warning:hover {
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
    color: white;
}

.btn-light {
    background: white;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #dc2626 100%);
    color: white;
}

.btn-danger:hover {
    background: linear-gradient(135deg, #dc2626 0%, #991b1b 100%);
    color: white;
}

.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background: transparent;
}

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 0.8rem 2rem;
    font-size: 1.05rem;
}

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

.card {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    overflow: hidden;
}

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

.card-body {
    padding: 1.5rem;
}

.card-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    border: none;
    padding: 1.5rem;
    font-weight: 600;
}

/* PRODUCT CARDS */

.card-produk {
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.card-produk:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.card-produk .img-produk {
    height: 220px;
    object-fit: cover;
    background: var(--light-color);
}

.card-produk .card-body {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.card-produk .card-title {
    font-weight: 600;
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.card-produk .card-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0.5rem 0 1rem 0;
}

.card-produk .btn {
    margin-top: auto;
}

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

.form-control, .form-select {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 141, 78, 0.1);
    outline: none;
}

.form-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

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

.hero {
    position: relative;
    height: 100vh;
    background: linear-gradient(135deg, #1a8d4e 0%, #0f6937 100%);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><defs><pattern id="trees" x="0" y="0" width="200" height="200" patternUnits="userSpaceOnUse"><rect fill="none" width="200" height="200"/></pattern></defs></svg>');
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
    max-width: 600px;
    animation: slideUp 1s ease-out;
}

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

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

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* ================================
   SECTIONS
   ================================ */

.section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    padding-bottom: 1.5rem;
}

.section-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

/* ================================
   GRID
   ================================ */

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

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

.alert {
    border: none;
    border-radius: 8px;
    border-left: 4px solid;
    padding: 1rem 1.5rem;
}

.alert-success {
    background: #f0fdf4;
    border-left-color: var(--primary-color);
    color: var(--primary-dark);
}

.alert-danger {
    background: #fef2f2;
    border-left-color: var(--danger-color);
    color: #991b1b;
}

.alert-warning {
    background: #fffbeb;
    border-left-color: var(--secondary-color);
    color: #92400e;
}

.alert-info {
    background: #f0f9ff;
    border-left-color: #0284c7;
    color: #0c4a6e;
}

/* ================================
   UTILITIES
   ================================ */

.text-primary {
    color: var(--primary-color) !important;
}

.text-secondary {
    color: var(--secondary-color) !important;
}

.bg-primary {
    background: var(--primary-color) !important;
}

.bg-light-primary {
    background: #f0fdf4 !important;
}

.shadow-sm {
    box-shadow: var(--shadow-sm) !important;
}

.shadow-md {
    box-shadow: var(--shadow-md) !important;
}

.shadow-lg {
    box-shadow: var(--shadow-lg) !important;
}

.rounded-lg {
    border-radius: 12px;
}

.rounded-xl {
    border-radius: 16px;
}

.transition {
    transition: var(--transition) !important;
}

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

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

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

    .hero h1 {
        font-size: 2.5rem;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 1rem;
    }

    .section {
        padding: 3rem 0;
    }
}