/* ==========================================================================
   YOIN PREMIUM DESIGN SYSTEM (INTERNATIONAL CORPORATE LEVEL - WHITE & TEAL)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Playfair+Display:ital,wght@0,600;0,700;1,600&display=swap');

:root {
    /* Color Palette - Premium White & Teal Accent */
    --clr-primary: hsl(222, 47%, 11%);       /* Deep Slate / Midnight Navy */
    --clr-primary-light: hsl(217, 33%, 22%); /* Slate Blue-Gray */
    --clr-primary-glow: rgba(15, 23, 42, 0.05);
    
    --clr-accent: hsl(173, 80%, 40%);         /* Corporate Vibrant Teal (#0d9488) */
    --clr-accent-hover: hsl(175, 77%, 28%);   /* Darker Teal (#0f766e) */
    --clr-accent-glow: rgba(13, 148, 136, 0.15);
    
    --clr-bg-body: hsl(210, 20%, 99%);        /* Pure Off-White */
    --clr-bg-card: hsl(0, 0%, 100%);         /* Pure White */
    
    --clr-text-main: hsl(215, 25%, 27%);     /* Slate-700 Charcoal */
    --clr-text-muted: hsl(215, 16%, 47%);    /* Slate-500 Muted */
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-serif: 'Playfair Display', serif;
    
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --border-glass: 1px solid rgba(15, 23, 42, 0.06);
    --shadow-premium: 0 10px 30px -10px rgba(15, 23, 42, 0.04);
    --shadow-premium-hover: 0 25px 50px -12px rgba(15, 23, 42, 0.08);
}

/* Base resets & typography */
body {
    font-family: var(--font-body);
    background-color: var(--clr-bg-body);
    color: var(--clr-text-main);
    letter-spacing: -0.01em;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--clr-primary);
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* Glassmorphism Classes */
.glass-panel {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: var(--border-glass);
    box-shadow: var(--shadow-premium);
    border-radius: 24px;
    transition: var(--transition-smooth);
}

.glass-panel-dark {
    background: rgba(248, 250, 252, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: var(--border-glass);
    box-shadow: var(--shadow-premium-hover);
    border-radius: 24px;
    color: var(--clr-text-main);
}

/* Navigation Overrides */
.main-header {
    background: rgba(255, 255, 255, 0.8) !important;
    backdrop-filter: blur(20px) !important;
    border-bottom: var(--border-glass) !important;
}

.main-header.scrolled {
    background: rgba(255, 255, 255, 0.95) !important;
    box-shadow: 0 8px 30px rgba(15, 23, 42, 0.04) !important;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 500 !important;
    font-size: 0.95rem !important;
    color: var(--clr-text-main) !important;
    transition: var(--transition-smooth);
}

.nav-link:hover, .nav-link.active {
    color: var(--clr-accent) !important;
}

/* Lang Switcher Dropdown Style */
.lang-dropdown-wrapper {
    position: relative;
    display: inline-block;
}

.lang-dropdown-btn {
    background: none;
    border: 1px solid rgba(13, 148, 136, 0.2);
    color: var(--clr-primary);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.85rem;
    padding: 6px 14px;
    border-radius: 30px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition-smooth);
}

.lang-dropdown-btn:hover {
    border-color: var(--clr-accent);
    background: rgba(13, 148, 136, 0.05);
    color: var(--clr-accent);
}

.lang-dropdown-menu {
    position: absolute;
    top: 120%;
    right: 0;
    background: var(--clr-bg-card);
    border: var(--border-glass);
    border-radius: 12px;
    box-shadow: var(--shadow-premium-hover);
    padding: 6px;
    display: none;
    flex-direction: column;
    min-width: 130px;
    z-index: 1000;
}

.lang-dropdown-menu.show {
    display: flex;
}

.lang-dropdown-item {
    padding: 8px 12px;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    color: var(--clr-text-main);
    text-decoration: none;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-smooth);
}

.lang-dropdown-item:hover {
    background: rgba(13, 148, 136, 0.05);
    color: var(--clr-accent);
}

.lang-dropdown-item.active {
    background: var(--clr-accent);
    color: #ffffff;
}

/* Premium Buttons */
.btn-premium-primary {
    background: linear-gradient(135deg, var(--clr-accent) 0%, var(--clr-accent-hover) 100%);
    color: #ffffff !important;
    font-family: var(--font-heading);
    font-weight: 600;
    padding: 12px 30px;
    border-radius: 50px;
    border: none;
    box-shadow: 0 10px 20px var(--clr-accent-glow);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    transition: var(--transition-smooth);
    cursor: pointer;
}

.btn-premium-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px var(--clr-accent-glow);
    filter: brightness(1.05);
}

.btn-premium-accent {
    background: linear-gradient(135deg, var(--clr-accent) 0%, var(--clr-accent-hover) 100%);
    color: #ffffff !important;
    font-family: var(--font-heading);
    font-weight: 700;
    padding: 12px 30px;
    border-radius: 50px;
    border: none;
    box-shadow: 0 10px 20px var(--clr-accent-glow);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    transition: var(--transition-smooth);
    cursor: pointer;
}

.btn-premium-accent:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px var(--clr-accent-glow);
    filter: brightness(1.05);
}

.btn-premium-outline {
    background: transparent;
    color: var(--clr-accent);
    font-family: var(--font-heading);
    font-weight: 600;
    padding: 11px 28px;
    border-radius: 50px;
    border: 2px solid var(--clr-accent);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    transition: var(--transition-smooth);
    cursor: pointer;
}

.btn-premium-outline:hover {
    background: var(--clr-accent);
    color: #ffffff !important;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px var(--clr-accent-glow);
}

/* Premium Card Designs */
.premium-card {
    background: var(--clr-bg-card);
    border: var(--border-glass);
    border-radius: 24px;
    box-shadow: var(--shadow-premium);
    transition: var(--transition-smooth);
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.premium-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-premium-hover);
    border-color: var(--clr-accent);
}

/* Glowing Border card effect */
.glowing-border-card {
    position: relative;
    background: var(--clr-bg-card);
    border-radius: 24px;
    overflow: hidden;
    transition: var(--transition-smooth);
    border: 1px solid rgba(15, 23, 42, 0.05);
}

.glowing-border-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    border-radius: 24px;
    padding: 2px;
    background: linear-gradient(135deg, transparent, transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    transition: var(--transition-smooth);
    z-index: 2;
    pointer-events: none;
}

.glowing-border-card:hover::before {
    background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-accent) 100%);
}

.glowing-border-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-premium-hover);
}

/* Redesigned Social Impact Section - CLEAN WHITE */
.social-impact-section {
    background: #ffffff;
    color: var(--clr-text-main);
    padding: 7rem 0;
    position: relative;
    overflow: hidden;
    border-top: 1px solid rgba(15, 23, 42, 0.05);
    border-bottom: 1px solid rgba(15, 23, 42, 0.05);
}

.social-impact-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: radial-gradient(var(--clr-accent) 0.8px, transparent 0.8px);
    background-size: 30px 30px;
    opacity: 0.04;
    pointer-events: none;
}

.social-impact-badge {
    background: rgba(13, 148, 136, 0.08);
    color: var(--clr-accent);
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    display: inline-block;
    border: 1px solid rgba(13, 148, 136, 0.15);
    margin-bottom: 1.5rem;
}

.social-impact-section h2 {
    color: var(--clr-primary);
    font-size: clamp(2rem, 3.5vw, 2.8rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.social-impact-section h2 span {
    color: var(--clr-accent);
}

.social-impact-card {
    background: #ffffff;
    border: 1px solid rgba(15, 23, 42, 0.06);
    padding: 3rem;
    border-radius: 30px;
    box-shadow: var(--shadow-premium-hover);
}

/* Micro-animations and floating shapes */
.floating-element {
    animation: floatAnim 6s ease-in-out infinite;
}

@keyframes floatAnim {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

/* Image gallery / slider for multi-image product detail */
.premium-gallery {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.gallery-main {
    width: 100%;
    height: 450px;
    border-radius: 20px;
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-premium);
}

.gallery-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.gallery-main img:hover {
    transform: scale(1.04);
}

.gallery-thumbs {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 0.75rem;
}

.gallery-thumb-item {
    height: 80px;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition-smooth);
}

.gallery-thumb-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-thumb-item.active {
    border-color: var(--clr-accent);
    box-shadow: 0 4px 12px var(--clr-accent-glow);
}

/* Custom UI Sections */
.why-choose-section {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%) !important;
}

.service-card .card-inner, .feature-card {
    background: var(--clr-bg-card);
    border: var(--border-glass);
    border-radius: 24px;
    box-shadow: var(--shadow-premium);
    transition: var(--transition-smooth);
}

.service-card:hover .card-inner, .feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--clr-accent);
    box-shadow: var(--shadow-premium-hover);
}

/* Font formatting helper */
.font-serif-italic {
    font-family: var(--font-serif);
    font-style: italic;
}