@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

* {
    font-family: 'Inter', sans-serif;
}

/* Liquid Glass Design System - Core Philosophy */
.glass-morphism {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px) saturate(180%) brightness(110%);
    -webkit-backdrop-filter: blur(20px) saturate(180%) brightness(110%);
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
}

.glass-morphism-strong {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(40px) saturate(200%) brightness(120%);
    -webkit-backdrop-filter: blur(40px) saturate(200%) brightness(120%);
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 0 12px 48px 0 rgba(31, 38, 135, 0.25);
}

.glass-button {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-button:hover {
    background: rgba(255, 255, 255, 0.35);
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.4), inset 0 0 20px rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.glass-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(25px) saturate(180%) brightness(110%);
    -webkit-backdrop-filter: blur(25px) saturate(180%) brightness(110%);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 16px 64px rgba(255, 255, 255, 0.2), inset 0 0 30px rgba(255, 255, 255, 0.1);
    transform: translateY(-8px) scale(1.02);
    border-color: rgba(255, 255, 255, 0.4);
}

/* Universal soft corners - Only two types allowed */
.soft-corner {
    border-radius: 1.5rem; /* rounded-2xl */
}

.full-round {
    border-radius: 9999px; /* rounded-full */
}

/* Pure Blue & White theme - No gradients */
body {
    background: #3b82f6;
    min-height: 100vh;
}

/* Fluid physics-based animations */
.animate-float {
    animation: float 6s ease-in-out infinite;
}

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

.animate-glow {
    animation: glow 3s ease-in-out infinite;
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 20px rgba(255, 255, 255, 0.3); }
    50% { box-shadow: 0 0 40px rgba(255, 255, 255, 0.5), 0 0 60px rgba(255, 255, 255, 0.3); }
}

/* Lens effect on interactions */
.glass-input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3), inset 0 0 20px rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Smooth scroll */
html {
    scroll-behavior: smooth;
}

/* Icon styles */
.icon {
    width: 24px;
    height: 24px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
}

/* Icon color in white circles */
.bg-white .icon {
    color: #3b82f6;
}

/* Mobile menu animation */
.mobile-menu {
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu.active {
    transform: translateX(0);
}