/* ==========================================================================
   SHRIHARI EDUCATION CONSULTANCY - DIGITAL BUSINESS CARD
   Ultra-Transparent Light Glassmorphism (High Transparency & Crystal Readability)
   Self-Contained inside /card/ directory
   ========================================================================== */

:root {
    /* Brand Color Tokens derived from Logo */
    --logo-navy: #0A1B36;
    --logo-navy-dark: #050E1F;
    --logo-gold: #C88219;
    --logo-gold-bright: #D97706;
    
    /* Ultra-Transparent Glass Tokens */
    --glass-bg-card: rgba(255, 255, 255, 0.42);
    --glass-bg-header: rgba(255, 255, 255, 0.25);
    --glass-bg-item: rgba(255, 255, 255, 0.45);
    --glass-bg-hover: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.65);
    --border-subtle: rgba(16, 40, 76, 0.15);
    
    --text-primary: #0A1B36;
    --text-secondary: #1E293B;
    --text-muted: #475569;
    
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: #E2E8F0;
    background-image: 
        linear-gradient(180deg, rgba(244, 246, 249, 0.25) 0%, rgba(244, 246, 249, 0.5) 100%),
        url('hero_mobile_bg.png');
    background-size: cover;
    background-position: center top;
    background-repeat: no-repeat;
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    padding-bottom: 90px;
    -webkit-font-smoothing: antialiased;
}

/* Mobile-First Page Framing */
.page-wrapper {
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
    padding: 0.6rem;
}

@media (min-width: 480px) {
    .page-wrapper {
        padding: 1.5rem 1rem;
    }
}

@media (min-width: 768px) {
    .page-wrapper {
        padding: 2.5rem 1rem;
    }
}

/* High Transparency Glass Card Frame */
.vcard-container {
    background: var(--glass-bg-card);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 15px 45px rgba(10, 27, 54, 0.12);
    overflow: hidden;
}

/* Light Transparent Header */
.vcard-header {
    text-align: center;
    padding: 1.8rem 1rem 1.4rem 1rem;
    background: var(--glass-bg-header);
    border-bottom: 1px solid var(--glass-border);
    position: relative;
}

.header-top-accent {
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--logo-navy) 0%, var(--logo-gold) 100%);
    z-index: 2;
}

/* Extra Large Direct Logo Display - No Box, Maximum Scale */
.logo-display-box {
    width: 100%;
    max-width: 420px;
    margin: 0.2rem auto 1rem auto;
    padding: 0;
    background: transparent;
    border: none;
    box-shadow: none;
}

.brand-logo-img {
    width: 100%;
    max-width: 380px;
    height: auto;
    max-height: 240px;
    display: block;
    margin: 0 auto;
    object-fit: contain;
    filter: drop-shadow(0 6px 16px rgba(10, 27, 54, 0.2));
}

.company-title {
    font-family: var(--font-heading);
    font-size: 1.45rem;
    font-weight: 900;
    color: var(--logo-navy);
    line-height: 1.25;
    margin-bottom: 4px;
    padding: 0 0.5rem;
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.8);
}

.company-tagline {
    font-size: 0.92rem;
    color: var(--logo-gold-bright);
    font-weight: 800;
    letter-spacing: 0.3px;
    margin-bottom: 10px;
    padding: 0 0.5rem;
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.8);
}

.company-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.55);
    backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    color: var(--logo-navy);
    font-size: 0.78rem;
    font-weight: 700;
    padding: 5px 14px;
    border-radius: var(--radius-full);
}

/* Primary Action Buttons */
.primary-actions-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    padding: 1.1rem 1rem;
    background: rgba(255, 255, 255, 0.2);
    border-bottom: 1px solid var(--glass-border);
}

.btn-minimal {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 14px;
    border-radius: var(--radius-full);
    font-weight: 800;
    font-size: 0.88rem;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-save-gold {
    background: linear-gradient(135deg, #FFB84C 0%, #C88219 100%);
    color: #FFFFFF;
    box-shadow: 0 4px 15px rgba(200, 130, 25, 0.4);
}

.btn-save-gold:hover, .btn-save-gold:active {
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(200, 130, 25, 0.55);
}

.btn-share-navy {
    background: rgba(255, 255, 255, 0.75);
    color: var(--logo-navy);
    border: 1.5px solid var(--logo-navy);
}

.btn-share-navy:hover, .btn-share-navy:active {
    background: var(--logo-navy);
    color: #FFFFFF;
    transform: translateY(-2px);
}

/* Card Body */
.vcard-body {
    padding: 1.2rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 1.4rem;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 0.82rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--logo-navy);
    margin-bottom: 0.7rem;
    display: flex;
    align-items: center;
    gap: 8px;
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.8);
}

.section-title::after {
    content: '';
    flex: 1;
    height: 1.5px;
    background: rgba(10, 27, 54, 0.2);
}

/* Contact List Grid */
.contact-grid {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.contact-row-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 14px;
    background: var(--glass-bg-item);
    backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
}

.contact-row-item:hover, .contact-row-item:active {
    background: var(--glass-bg-hover);
    border-color: var(--logo-navy);
    box-shadow: 0 4px 15px rgba(10, 27, 54, 0.12);
    transform: translateX(3px);
}

.contact-icon-bubble {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: rgba(10, 27, 54, 0.1);
    color: var(--logo-navy);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.contact-row-item:hover .contact-icon-bubble {
    background: var(--logo-navy);
    color: #FFFFFF;
}

.contact-meta {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.contact-lbl {
    font-size: 0.68rem;
    color: var(--text-muted);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-val {
    font-size: 0.88rem;
    font-weight: 800;
    color: var(--logo-navy);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Minimal Social Media Buttons Grid */
.social-handles-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.social-pill-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 12px;
    background: var(--glass-bg-item);
    backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 800;
    font-size: 0.82rem;
    color: var(--logo-navy);
    transition: var(--transition);
}

.social-pill-btn i {
    font-size: 1.1rem;
}

.social-pill-btn:hover, .social-pill-btn:active {
    background: var(--logo-navy);
    color: #FFFFFF;
    border-color: var(--logo-navy);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(10, 27, 54, 0.15);
}

.social-pill-btn:hover i {
    color: #FFFFFF !important;
}

/* Location Card Minimal Box */
.location-minimal-card {
    background: var(--glass-bg-item);
    backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 14px;
}

.address-row {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
}

.address-icon-pin {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(200, 130, 25, 0.18);
    color: var(--logo-gold-bright);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.address-details {
    font-size: 0.84rem;
    color: var(--text-secondary);
    line-height: 1.45;
    font-weight: 600;
}

.address-details strong {
    color: var(--logo-navy);
    display: block;
    font-size: 0.9rem;
    font-weight: 800;
    margin-bottom: 2px;
}

.map-wrapper {
    width: 100%;
    height: 175px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--glass-border);
    margin-bottom: 10px;
}

.map-wrapper iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

.btn-directions-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 10px;
    background: var(--logo-navy);
    color: #FFFFFF;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 800;
    font-size: 0.84rem;
    transition: var(--transition);
}

.btn-directions-link:hover {
    background: var(--logo-navy-dark);
    box-shadow: 0 4px 15px rgba(10, 27, 54, 0.2);
}

/* Services Offered Minimal Pills */
.services-flex {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.service-badge-pill {
    background: var(--glass-bg-item);
    backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    padding: 6px 14px;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.service-badge-pill i {
    color: var(--logo-gold-bright);
    font-size: 0.85rem;
}

/* Footer */
.vcard-footer {
    text-align: center;
    padding: 1.2rem;
    border-top: 1px solid var(--glass-border);
    font-size: 0.75rem;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.3);
}

.vcard-footer a {
    color: var(--logo-navy);
    text-decoration: none;
    font-weight: 800;
}

/* Floating WhatsApp Button */
.floating-wa-btn {
    position: fixed;
    bottom: 75px;
    right: 16px;
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    box-shadow: 0 8px 22px rgba(37, 211, 102, 0.5);
    text-decoration: none;
    z-index: 1001;
    transition: var(--transition);
}

.floating-wa-btn:hover {
    transform: scale(1.08);
    box-shadow: 0 12px 28px rgba(37, 211, 102, 0.7);
}

.wa-tooltip {
    position: absolute;
    right: 66px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--logo-navy);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 6px 12px;
    border-radius: 6px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.wa-tooltip::after {
    content: '';
    position: absolute;
    right: -5px;
    top: 50%;
    transform: translateY(-50%);
    border-width: 5px 0 5px 5px;
    border-style: solid;
    border-color: transparent transparent transparent var(--logo-navy);
}

.floating-wa-btn:hover .wa-tooltip {
    opacity: 1;
}

@keyframes pulseWhatsApp {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    70% { box-shadow: 0 0 0 14px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

.pulse-wa {
    animation: pulseWhatsApp 2.2s infinite;
}

/* Sticky Bottom Mobile Bar */
.sticky-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid var(--border-subtle);
    padding: 6px 8px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
    box-shadow: 0 -5px 25px rgba(0, 0, 0, 0.08);
    z-index: 1000;
}

.sticky-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    padding: 6px 2px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-size: 0.65rem;
    font-weight: 700;
    text-align: center;
    transition: var(--transition);
}

.nav-call { background: rgba(10, 27, 54, 0.08); color: var(--logo-navy); }
.nav-wa { background: rgba(37, 211, 102, 0.15); color: #128c7e; }
.nav-save { background: linear-gradient(135deg, #FFB84C 0%, #C88219 100%); color: #FFFFFF; }

.sticky-nav-item i {
    font-size: 1rem;
}

/* Minimal QR Code Modal */
.modal-backdrop {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(10, 27, 54, 0.65);
    backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

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

.modal-content-card {
    background: #FFFFFF;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.8rem 1.5rem;
    width: 100%;
    max-width: 360px;
    text-align: center;
    position: relative;
    box-shadow: 0 20px 45px rgba(10, 27, 54, 0.25);
}

.modal-close-btn {
    position: absolute;
    top: 12px; right: 14px;
    background: #F8FAFC;
    border: 1px solid var(--border-subtle);
    color: var(--text-muted);
    width: 30px; height: 30px;
    border-radius: 50%;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-image-display {
    width: 190px;
    height: 190px;
    margin: 1.2rem auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-subtle);
    padding: 8px;
    background: #FFFFFF;
}

.modal-heading {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--logo-navy);
}

.modal-subtext {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
}