/* Custom Properties */
:root {
    --color-midnight-950: #0F2A3F;
    --color-midnight-900: #1A3A52;
    --color-midnight-800: #244A65;
    --color-mint-50: #F0FDF9;
    --color-mint-100: #CCFBF1;
    --color-mint-200: #99F6E4;
    --color-mint-300: #5EEAD4;
    --color-mint-400: #2DD4BF;
    --color-mint-500: #14B8A6;
    --color-mint-600: #0D9488;
    --color-mint-700: #0F766E;
    --color-stone-50: #FAFAF9;
    --color-stone-100: #F5F5F4;
    --color-stone-200: #E7E5E4;
    --color-stone-500: #78716C;
    --color-stone-600: #57534E;
}

/* Base Styles */
html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--color-midnight-950);
    background-color: var(--color-stone-50);
}

.font-serif {
    font-family: 'Playfair Display', serif;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-stone-100);
}

::-webkit-scrollbar-thumb {
    background: var(--color-mint-400);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-mint-500);
}

/* Navigation */
.navbar {
    background: rgba(250, 250, 249, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-stone-200);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 20px rgba(15, 42, 63, 0.08);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-mint-500);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* Mobile Menu */
.mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.mobile-menu.active {
    max-height: 400px;
}

.mobile-nav-link {
    position: relative;
}

.mobile-nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-mint-500);
    transition: width 0.3s ease;
}

.mobile-nav-link:hover::after {
    width: 100%;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--color-stone-50) 0%, var(--color-mint-50) 100%);
}

.hero-image-wrapper {
    position: relative;
}

/* Buttons */
.btn-primary {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-secondary {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(15, 42, 63, 0.2);
}

/* Product Cards */
.product-card {
    position: relative;
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-8px);
}

/* Testimonial Cards */
.testimonial-card {
    position: relative;
    transition: all 0.3s ease;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 80px;
    font-family: 'Playfair Display', serif;
    color: var(--color-mint-200);
    line-height: 1;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(15, 42, 63, 0.1);
}

/* Scroll Indicator */
.scroll-indicator {
    animation: float 2s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translate(-50%, 0);
    }
    50% {
        transform: translate(-50%, 10px);
    }
}

/* Fade In Animation (Progressive Enhancement) */
@media (prefers-reduced-motion: no-preference) {
    .fade-in {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }
    
    .fade-in.visible {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Focus Styles */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid var(--color-mint-500);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .font-serif {
        font-size: 2.5rem;
        line-height: 1.1;
    }
    
    .hero-image-wrapper {
        margin-top: 2rem;
    }
    
    .image-grid {
        margin-bottom: 2rem;
    }
}