/* ==========================================================================
   Design System & Styling for Champion Bungu BtoB LP
   ========================================================================== */

   :root {
    /* Colors */
    --primary: #1e3a8a; /* Deep trust blue */
    --primary-hover: #172554;
    --secondary: #f8fafc;
    --accent: #f59e0b; /* Attention grabbing orange/gold */
    --accent-hover: #d97706;
    --text-main: #334155;
    --text-light: #64748b;
    --bg-main: #ffffff;
    --bg-light: #f1f5f9;
    --border: #e2e8f0;

    /* Typography */
    --font-heading: 'Playfair Display', serif; /* Premium, established feel */
    --font-body: 'Inter', sans-serif; /* Clean, modern, readable */
    
    /* Spacing */
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 4rem;
    
    /* Aesthetics */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --radius: 8px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--text-main);
    background-color: var(--bg-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: #0f172a;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.text-center { text-align: center; }
.bg-light { background-color: var(--bg-light); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    Border-radius: var(--radius);
    transition: var(--transition);
    cursor: pointer;
    font-family: var(--font-body);
    border: none;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-full {
    width: 100%;
}

/* Header */
.header {
    background: white;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: var(--space-md) 0;
}

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

.logo {
    display: flex;
    flex-direction: column;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.logo-sub {
    font-size: 0.7rem;
    letter-spacing: 2px;
    color: var(--text-light);
    font-weight: 600;
}

.nav {
    display: none;
}

@media (min-width: 768px) {
    .nav {
        display: flex;
        gap: var(--space-lg);
    }
    
    .nav a {
        font-weight: 500;
        color: var(--text-main);
        transition: var(--transition);
    }
    
    .nav a:hover {
        color: var(--primary);
    }
}

/* Hero Section */
.hero {
    padding: var(--space-xl) 0;
    background: linear-gradient(to right, #ffffff, #f8fafc);
    overflow: hidden;
}

.hero-inner {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
    align-items: center;
}

@media (min-width: 992px) {
    .hero-inner {
        flex-direction: row;
        justify-content: space-between;
    }
    .hero-content {
        flex: 1;
        padding-right: var(--space-xl);
    }
    .hero-image {
        flex: 1;
    }
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: #e0e7ff;
    color: #4338ca;
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.hero p {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: var(--space-lg);
    max-width: 500px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.trust-badges {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    color: var(--text-light);
}

.fedex-text {
    color: #4d148c; /* FedEx Purple approx */
    font-size: 1.1rem;
    font-weight: 700;
}

.hero-image {
    width: 100%;
    position: relative;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.hero-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    aspect-ratio: 4/3;
    transition: transform 0.5s ease;
}

.hero-image:hover img {
    transform: scale(1.05); /* Micro-animation */
}

/* Sections Common */
section {
    padding: var(--space-xl) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-xl);
}

.section-header h2 {
    font-size: 2.25rem;
    margin-bottom: var(--space-sm);
}

.section-header p {
    color: var(--text-light);
    font-size: 1.1rem;
}

/* Grid Layouts */
.grid-3 {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

@media (min-width: 768px) {
    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Cards */
.card {
    background: white;
    padding: var(--space-lg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.highlight-card {
    border: 2px solid var(--accent);
    box-shadow: var(--shadow-md);
}

.card-icon {
    width: 48px;
    height: 48px;
    background-color: #e0e7ff;
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    font-family: var(--font-heading);
}

.highlight-card .card-icon {
    background-color: #fef3c7;
    color: var(--accent);
}

.card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
}

.card p {
    color: var(--text-light);
}

/* About Section */
.about {
    background-color: var(--secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.about-inner {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-content h2 {
    font-size: 2.25rem;
    margin-bottom: var(--space-md);
    color: var(--primary);
}

.about-content .lead {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: var(--space-lg);
}

.about-content p {
    margin-bottom: var(--space-md);
    font-size: 1.1rem;
    color: var(--text-light);
}

/* Steps */
.steps-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    text-align: center;
}

@media (min-width: 768px) {
    .steps-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.step {
    padding: var(--space-md);
}

.step-num {
    font-size: 3rem;
    font-family: var(--font-heading);
    color: #cbd5e1;
    font-weight: 700;
    line-height: 1;
    margin-bottom: var(--space-sm);
    transition: var(--transition);
}

.step:hover .step-num {
    color: var(--primary);
}

.step h4 {
    font-size: 1.1rem;
    margin-bottom: var(--space-sm);
}

.step p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Contact Section */
.contact {
    background-color: var(--primary);
    color: white;
}

.contact-inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    align-items: center;
}

@media (min-width: 992px) {
    .contact-inner {
        grid-template-columns: 1fr 1fr;
    }
}

.contact-info h2 {
    color: white;
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

.contact-info p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: var(--space-lg);
}

.contact-details {
    list-style: none;
}

.contact-details li {
    margin-bottom: var(--space-sm);
    font-size: 1.1rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Form */
.contact-form-container {
    background: white;
    padding: var(--space-lg);
    border-radius: var(--radius);
    color: var(--text-main);
    box-shadow: var(--shadow-lg);
}

.contact-form h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-lg);
    color: var(--primary);
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    margin-bottom: 0.25rem;
    font-weight: 500;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-family: var(--font-body);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(30,58,138,0.1);
}

.form-note {
    text-align: center;
    margin-top: var(--space-md);
    font-size: 0.8rem;
    color: var(--text-light);
}

/* Footer */
.footer {
    padding: var(--space-lg) 0;
    background: #0f172a;
    color: #94a3b8;
    font-size: 0.9rem;
}