/* Premium Design System for Halotel Bundle Reseller Website */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    /* Colors */
    --primary: #ff6f00;         /* Halotel Vibrant Orange */
    --primary-hover: #e05300;
    --primary-glow: rgba(255, 111, 0, 0.25);
    --secondary: #ffb300;       /* Halotel Accent Yellow */
    --accent: #10b981;          /* Active/Success Green */
    --accent-glow: rgba(16, 185, 129, 0.2);
    
    /* Dark Theme (Default - Premium & Sleek) */
    --bg-main: #0a0a0c;
    --bg-surface: #121216;
    --bg-card: #18181f;
    --bg-input: #1f1f27;
    
    --text-primary: #ffffff;
    --text-secondary: #a0a0ab;
    --text-muted: #71717a;
    
    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 111, 0, 0.4);
    
    /* Layout */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.6);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme overrides (Controlled via data-theme attribute if wanted, but default is premium dark) */
[data-theme="light"] {
    --bg-main: #f9fafb;
    --bg-surface: #ffffff;
    --bg-card: #f3f4f6;
    --bg-input: #e5e7eb;
    
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --text-muted: #9ca3af;
    
    --border: rgba(0, 0, 0, 0.08);
    --border-hover: rgba(255, 111, 0, 0.5);
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s, color 0.3s;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
}

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

/* Header & Navigation */
header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(10, 10, 12, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.25rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    white-space: nowrap;
}

.logo-dot {
    width: 10px;
    height: 10px;
    background-color: var(--secondary);
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 10px var(--secondary);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
}

/* Mobile responsive navigation overrides */
@media (max-width: 768px) {
    .nav-container {
        padding: 0.8rem 1rem;
        gap: 0.5rem;
    }
    
    .logo {
        font-size: 1.15rem;
    }
    
    .nav-links {
        gap: 0.75rem;
    }
    
    /* Hide the text links to prevent wrapping and overlapping logo */
    .nav-links li:nth-child(1),
    .nav-links li:nth-child(2) {
        display: none;
    }
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
}

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

.nav-btn {
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    color: #fff;
    padding: 0.6rem 1.25rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    box-shadow: 0 4px 12px var(--primary-glow);
}

.nav-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px var(--primary-glow);
}

.theme-toggle {
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    padding: 0.5rem;
    border-radius: 50%;
    transition: var(--transition);
}

.theme-toggle:hover {
    background-color: var(--border);
}

/* Hero Section */
.hero {
    position: relative;
    padding: 8rem 2rem 5rem;
    text-align: center;
    background: radial-gradient(circle at top right, rgba(255, 111, 0, 0.12), transparent 45%),
                radial-gradient(circle at bottom left, rgba(255, 179, 0, 0.05), transparent 40%);
    overflow: hidden;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: rgba(255, 111, 0, 0.1);
    border: 1px solid rgba(255, 111, 0, 0.2);
    color: var(--primary);
    padding: 0.4rem 1.2rem;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #ffffff, #e2e8f0, #ffb300);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
}

.hero p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

/* Utility Info Stats */
.stats-container {
    max-width: 900px;
    margin: -1.5rem auto 4rem;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    padding: 0 2rem;
}

@media (max-width: 640px) {
    .stats-container {
        grid-template-columns: 1fr;
        margin-top: 1rem;
    }
}

.stat-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.stat-icon {
    font-size: 1.75rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.stat-number {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Main Shop Section */
.shop-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 2rem 5rem;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 3rem;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.section-title h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.section-title p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Controls: Tabs & Search */
.controls-wrapper {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    width: 100%;
    margin-bottom: 2.5rem;
}

@media (min-width: 768px) {
    .controls-wrapper {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.tabs-container {
    display: flex;
    gap: 0.5rem;
    background-color: var(--bg-surface);
    padding: 0.35rem;
    border-radius: var(--radius-full);
    border: 1px solid var(--border);
    overflow-x: auto;
    white-space: nowrap;
    scrollbar-width: none; /* Hide scrollbar for Firefox */
}

.tabs-container::-webkit-scrollbar {
    display: none; /* Hide scrollbar for Chrome/Safari */
}

.tab-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 0.6rem 1.25rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
}

.tab-btn:hover {
    color: var(--text-primary);
}

.tab-btn.active {
    background-color: var(--primary);
    color: #fff;
    box-shadow: 0 4px 12px var(--primary-glow);
}

.search-container {
    position: relative;
    width: 100%;
    max-width: 320px;
}

.search-input {
    width: 100%;
    background-color: var(--bg-surface);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 0.75rem 1rem 0.75rem 2.75rem;
    border-radius: var(--radius-full);
    outline: none;
    font-family: inherit;
    font-size: 0.9rem;
    transition: var(--transition);
}

.search-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    pointer-events: none;
}

/* Bundles Grid & Cards */
.bundles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.bundle-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.bundle-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    opacity: 0.7;
    transition: var(--transition);
}

.bundle-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md), 0 8px 30px rgba(255, 111, 0, 0.06);
}

.bundle-card:hover::before {
    height: 6px;
    opacity: 1;
}

.hot-badge {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    background: linear-gradient(135deg, #ef4444, #b91c1c);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3);
}

.bundle-category {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.bundle-name {
    font-size: 1.35rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.bundle-limits {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.limit-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.limit-item i {
    width: 16px;
    color: var(--primary);
    text-align: center;
}

.bundle-price-tag {
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
    margin-bottom: 1.25rem;
    padding-top: 1rem;
    border-top: 1px dashed var(--border);
}

.price-currency {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.price-value {
    font-size: 1.75rem;
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
    color: var(--text-primary);
}

.price-validity {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-left: auto;
}

.buy-btn {
    background-color: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-primary);
    width: 100%;
    padding: 0.8rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.buy-btn:hover {
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    border-color: transparent;
    color: #fff;
    box-shadow: 0 4px 15px var(--primary-glow);
}

/* Empty State */
.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 2rem;
    background-color: var(--bg-surface);
    border: 1px dashed var(--border);
    border-radius: var(--radius-md);
}

.empty-icon {
    font-size: 3rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.empty-state p {
    color: var(--text-secondary);
}

/* Modal Styling */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 200;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.modal.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(5, 5, 6, 0.8);
    backdrop-filter: blur(8px);
}

.modal-content {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    width: 90%;
    max-width: 480px;
    padding: 2.25rem;
    border-radius: var(--radius-lg);
    position: relative;
    z-index: 10;
    transform: translateY(20px) scale(0.95);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.modal.active .modal-content {
    transform: translateY(0) scale(1);
}

.close-modal {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.close-modal:hover {
    background-color: var(--border);
    color: var(--text-primary);
}

.modal-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.modal-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.bundle-summary-box {
    background-color: var(--bg-surface);
    border: 1px solid var(--border);
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.summary-details h4 {
    font-size: 1.05rem;
}

.summary-details span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.summary-price {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary);
}

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

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.form-input {
    width: 100%;
    background-color: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 0.8rem 1rem;
    border-radius: var(--radius-md);
    outline: none;
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.payment-instructions-box {
    background-color: rgba(255, 111, 0, 0.04);
    border: 1px dashed rgba(255, 111, 0, 0.2);
    padding: 1rem;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1.75rem;
    white-space: pre-line;
}

.payment-title {
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.35rem;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.submit-btn {
    width: 100%;
    background: linear-gradient(135deg, #25d366, #128c7e); /* WhatsApp Green gradient */
    color: #fff;
    border: none;
    padding: 0.9rem;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.6rem;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.25);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.35);
}

/* How It Works Section */
.how-it-works {
    background-color: var(--bg-surface);
    padding: 5rem 2rem;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.how-container {
    max-width: 1200px;
    margin: 0 auto;
}

.how-title {
    text-align: center;
    margin-bottom: 3.5rem;
}

.how-title h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.how-title p {
    color: var(--text-secondary);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

@media (max-width: 768px) {
    .steps-grid {
        grid-template-columns: 1fr;
    }
}

.step-item {
    text-align: center;
    position: relative;
}

.step-num {
    width: 50px;
    height: 50px;
    background-color: rgba(255, 111, 0, 0.1);
    color: var(--primary);
    border: 1px solid rgba(255, 111, 0, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 800;
    margin: 0 auto 1.5rem;
}

.step-item h3 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
}

.step-item p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    max-width: 280px;
    margin: 0 auto;
}

/* Floating WhatsApp Widget */
.whatsapp-floating {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: #25d366;
    color: #fff;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
    z-index: 100;
    transition: var(--transition);
}

.whatsapp-floating:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 32px rgba(37, 211, 102, 0.5);
}

/* Footer styling */
footer {
    padding: 3rem 2rem;
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.footer-copy {
    color: var(--text-muted);
}

/* Form Checkbox styling */
.form-checkbox {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
    cursor: pointer;
}