/*
Theme Name: DNA Infotel
Author: Prem Jagtap
Description: Neural Glass Aesthetic - Production Styles (V9 - Fixed Card Contrast)
Version: 1.9.0
*/

/* -----------------------------------------------------------
   1. CORE VARIABLES & THEME SYSTEM
----------------------------------------------------------- */
:root {
    /* --- DARK MODE (DEFAULT) --- */
    --dna-deep-space: #050810;
    --dna-surface: #0f1420;
    --dna-accent-cyan: #00F2FF;
    --dna-accent-hover: #00C8D4;
    --dna-gold: #FFD700;
    --dna-danger: #FF3B30;
    
    --text-primary: #FFFFFF;
    --text-secondary: #94A3B8;
    --card-bg: rgba(255, 255, 255, 0.03);
    
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-blur: blur(16px);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
    
    --header-height: 80px;
    --container-width: 1280px;
    --border-radius: 12px;
}

/* --- LIGHT MODE OVERRIDES --- */
[data-theme="light"] {
    --dna-deep-space: #F0F4F8;
    --dna-surface: #FFFFFF;
    
    --text-primary: #1e293b;        /* Dark Slate for Headings/Prices */
    --text-secondary: #64748b;      /* Muted Slate for labels */
    
    /* Card Specifics for Light Mode */
    --card-bg: rgba(255, 255, 255, 0.9);
    --glass-bg: rgba(255, 255, 255, 0.8); 
    --glass-border: rgba(0, 0, 0, 0.1);   
    --glass-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    
    --dna-accent-cyan: #0077B6;     /* Darker Blue for visibility on white */
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-height); }

body {
    background-color: var(--dna-deep-space);
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(0, 242, 255, 0.05) 0%, transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(0, 242, 255, 0.03) 0%, transparent 25%);
    background-attachment: fixed;
    color: var(--text-primary);
    font-family: 'Outfit', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 { 
    font-family: 'Inter', sans-serif; 
    font-weight: 700; 
    line-height: 1.3; 
    color: var(--text-primary); 
}

a { text-decoration: none; color: inherit; transition: all 0.3s ease; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

/* -----------------------------------------------------------
   2. UTILITIES & GLASSMORPHISM
----------------------------------------------------------- */
.container { max-width: var(--container-width); margin: 0 auto; padding: 0 20px; }

.neural-glass {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    box-shadow: var(--glass-shadow);
    transition: background 0.3s ease, border 0.3s ease, box-shadow 0.3s ease;
}

.section-title { 
    text-align: center; 
    font-size: clamp(2rem, 4vw, 3rem); 
    margin-bottom: 60px; 
    color: var(--dna-accent-cyan); 
}

/* Buttons */
.btn-renew, .btn-primary {
    display: inline-block;
    background: var(--dna-accent-cyan);
    color: var(--dna-deep-space); /* Adaptive text color */
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    cursor: pointer;
    box-shadow: 0 0 15px rgba(0, 242, 255, 0.2);
    transition: all 0.3s ease;
}
/* Force white text on buttons in light mode if needed */
[data-theme="light"] .btn-renew { color: #fff; }

.btn-renew:hover, .btn-primary:hover { background: var(--dna-accent-hover); box-shadow: 0 0 25px rgba(0, 242, 255, 0.5); transform: translateY(-2px); }

/* -----------------------------------------------------------
   3. PACKAGE CARDS (Redesigned for Light Mode)
----------------------------------------------------------- */
.package-card { 
    transition: transform 0.3s ease, border-color 0.3s ease; 
    width: 100%; 
    background: var(--card-bg); /* Use variable for bg */
    border: 1px solid var(--glass-border);
}
.package-card:hover { transform: translateY(-5px); border-color: var(--dna-accent-cyan); }
.recommended-card { border: 1px solid var(--dna-gold) !important; box-shadow: 0 0 25px rgba(255, 215, 0, 0.15) !important; }

/* Card Typography */
.pkg-speed { color: var(--dna-accent-cyan); font-size: 2.8rem; line-height: 1; margin: 0; font-weight: 800; }
.pkg-speed-label { color: var(--text-secondary); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 1px; }

.pkg-details { display: flex; justify-content: space-between; font-size: 0.8rem; color: var(--text-secondary); border-bottom: 1px solid var(--glass-border); padding-bottom: 15px; margin-bottom: 15px; }

/* Validity Tabs */
.validity-tabs { display: flex; gap: 5px; background: var(--glass-border); padding: 4px; border-radius: 6px; margin-bottom: 20px; }
.val-btn { flex: 1; border: none; background: transparent; color: var(--text-secondary); padding: 6px 0; font-size: 0.75rem; font-weight: 700; cursor: pointer; border-radius: 4px; transition: 0.2s; }
.val-btn:hover { color: var(--text-primary); }
.val-btn.active { background: var(--dna-accent-cyan); color: #fff; }

/* Pricing Area */
.pkg-price-row { display: flex; align-items: center; justify-content: center; gap: 5px; }
.pkg-currency { color: var(--dna-accent-cyan); font-size: 1.2rem; }
.main-price-display { font-size: 2.2rem; font-weight: 700; color: var(--text-primary); }
.gst-note { font-size: 0.65rem; color: var(--text-secondary); margin-top: 4px; font-style: italic; }

/* -----------------------------------------------------------
   4. STICKY HEADER
----------------------------------------------------------- */
#site-header { position: sticky; top: 0; left: 0; width: 100%; height: var(--header-height); z-index: 1000; display: flex; align-items: center; transition: background 0.3s ease; border-bottom: 1px solid var(--glass-border); }
#site-header.header-scrolled { background: var(--dna-deep-space); opacity: 0.95; backdrop-filter: blur(20px); }

.header-inner { width: 100%; max-width: var(--container-width); margin: 0 auto; padding: 0 20px; display: flex; justify-content: space-between; align-items: center; }
.nav-menu-list { display: flex; gap: 30px; }
.nav-menu-list li a { font-size: 15px; font-weight: 500; color: var(--text-primary); position: relative; letter-spacing: 0.5px; }
.nav-menu-list li.current-menu-item a, .nav-menu-list li a:hover { color: var(--dna-accent-cyan); }

/* -----------------------------------------------------------
   5. CAROUSEL & MOBILE
----------------------------------------------------------- */
.dna-carousel-wrapper { position: relative; overflow: hidden; padding: 20px 0; max-width: var(--container-width); margin: 0 auto; }
.dna-carousel-track { display: flex; gap: 30px; transition: transform 0.5s ease-in-out; width: 100%; }
.dna-slide-item { flex: 0 0 calc((100% - 60px) / 3); max-width: calc((100% - 60px) / 3); }

.dna-nav-btn {
    position: absolute; top: 50%; transform: translateY(-50%); 
    background: rgba(0, 242, 255, 0.1); color: var(--dna-accent-cyan); 
    border: 1px solid var(--dna-accent-cyan); width: 40px; height: 40px; border-radius: 50%;
    cursor: pointer; z-index: 20; font-size: 1.2rem;
    display: flex; align-items: center; justify-content: center; transition: all 0.3s;
}
.dna-nav-btn:hover { background: var(--dna-accent-cyan); color: #000; }
.prev-btn { left: 0; } .next-btn { right: 0; }

@media (max-width: 768px) {
    .dna-slide-item { flex: 0 0 100%; max-width: 100%; }
    .dna-nav-btn { display: none; }
    .package-grid-archive { grid-template-columns: 1fr; }
    
    #mobile-menu-dropdown.active { transform: translateX(0) !important; }
    .mobile-menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 6px); }
    .mobile-menu-toggle.active span:nth-child(2) { opacity: 0; }
    .mobile-menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -6px); }
    
    /* Stats Grid */
    .stats-strip .container { display: grid !important; grid-template-columns: 1fr 1fr !important; gap: 20px !important; }
    .stat-box:last-child { grid-column: 1 / -1; }
}

/* -----------------------------------------------------------
   6. MISC, FAQ & FORMS
----------------------------------------------------------- */
.pkg-hidden { display: none !important; }

.faq-item details { 
    background: var(--glass-bg); 
    border: 1px solid var(--glass-border); 
    border-radius: 12px; margin-bottom: 15px; overflow: hidden; 
}
.faq-item summary { 
    padding: 20px; cursor: pointer; list-style: none; font-weight: 600; 
    color: var(--text-primary); position: relative; 
}
.faq-item summary::after { content: '+'; position: absolute; right: 20px; color: var(--dna-accent-cyan); }
.faq-item details[open] summary::after { content: '-'; }
.faq-answer { padding: 0 20px 20px; color: var(--text-secondary); border-top: 1px solid var(--glass-border); }

input, textarea, select {
    width: 100%; background: var(--glass-bg);
    border: 1px solid var(--glass-border); padding: 15px; color: var(--text-primary);
    border-radius: 8px; font-family: inherit; font-size: 1rem; transition: border-color 0.3s;
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--dna-accent-cyan); }
[data-theme="light"] ::placeholder { color: #64748b; opacity: 1; }

#footer-desktop { background: #020305; padding: 80px 0 20px; margin-top: 80px; border-top: 1px solid var(--glass-border); }
[data-theme="light"] #footer-desktop { background: #1e293b; color: white; }
[data-theme="light"] #footer-desktop .footer-links ul li a { color: #cbd5e1; }
[data-theme="light"] #footer-desktop h4 { color: white; }