/* ==========================================
   SWARNA HOSPITAL - COMMON STYLES
   Shared styles used across all pages.
   This replaces inline <style> blocks.
   ========================================== */

/* CSS Variables */
:root {
    --primary: #0a192f;
    --secondary: #00b4d8;
    --accent: #ff6b6b;
    --gold: #ffd700;
    --pink: #ec4899;
    --rose: #f43f5e;
}

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

/* Typography */
body {
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
    background: #f8f9fa;
}

h1,
h2,
h3,
h4 {
    font-family: 'Playfair Display', serif;
}

/* ==========================================
   ANIMATIONS
   ========================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Animation Utility Classes */
.animate-fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
    opacity: 0;
}

.animate-scale {
    animation: scaleIn 0.8s ease-out forwards;
    opacity: 0;
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

.animate-slide-left {
    animation: slideInLeft 0.8s ease-out forwards;
    opacity: 0;
}

.animate-slide-right {
    animation: slideInRight 0.8s ease-out forwards;
    opacity: 0;
}

/* Animation Delays */
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }

/* ==========================================
   PREMIUM GRADIENT BACKGROUNDS
   ========================================== */

/* Default purple gradient (used by most pages) */
.premium-gradient {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.premium-gradient::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 86c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zm66-3c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zm-40-39c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zm61 38c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM39 18c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zm50 48c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zM24 43c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zm54 36c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zM46 63c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1zM10 22c.552 0 1-.448 1-1s-.448-1-1-1-1 .448-1 1 .448 1 1 1z' fill='%23ffffff' fill-opacity='0.05' fill-rule='evenodd'/%3E%3C/svg%3E");
    opacity: 0.4;
}

/* ==========================================
   GLASS CARD EFFECT
   ========================================== */

.glass-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.glass-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.15);
}

/* ==========================================
   STICKY NAVIGATION
   ========================================== */

.sticky-nav {
    transition: all 0.4s ease;
    background: rgba(10, 25, 47, 0.8);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sticky-nav.scrolled {
    padding: 0.75rem 0;
    background: rgba(10, 25, 47, 0.95);
}

/* ==========================================
   COMMON UTILITIES
   ========================================== */

.section-padding {
    padding: 8rem 0;
}

.gradient-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==========================================
   MOBILE RESPONSIVE OVERRIDES
   ========================================== */

@media (max-width: 768px) {
    .section-padding {
        padding: 4rem 0;
    }

    .glass-card {
        margin-bottom: 1.5rem;
    }

    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

@media (max-width: 640px) {
    .premium-gradient h1 {
        font-size: 2rem;
        margin-bottom: 1rem;
    }

    .premium-gradient p {
        font-size: 1rem;
    }
}

/* Touch-friendly improvements */
@media (hover: none) and (pointer: coarse) {
    .glass-card:hover {
        transform: none;
    }

    .glass-card:active {
        transform: scale(0.98);
    }
}