/* ============================================
   Zemke Kurt a DDS — Premium Dark Luxury
   Custom Styles & Animations
   ============================================ */

/* Custom Font Imports */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');

/* Custom Tailwind Configuration */
@tailwind base;
@tailwind components;
@tailwind utilities;

/* Custom Properties */
:root {
    --color-teal-400: #2dd4bf;
    --color-teal-500: #14b8a6;
    --color-teal-600: #0d9488;
    --color-amber-400: #fbbf24;
    --color-amber-500: #f59e0b;
    --color-slate-950: #020617;
    --color-slate-900: #0f172a;
    --color-slate-800: #1e293b;
    --color-slate-700: #334155;
    --font-cormorant: 'Cormorant Garamond', Georgia, serif;
    --font-inter: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-inter);
    background-color: var(--color-slate-950);
    color: #e2e8f0;
    overflow-x: hidden;
}

.font-cormorant {
    font-family: var(--font-cormorant), Georgia, serif;
}

.font-inter {
    font-family: var(--font-inter), -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-slate-950);
}

::-webkit-scrollbar-thumb {
    background: var(--color-slate-700);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-teal-600);
}

/* Selection Color */
::selection {
    background: rgba(20, 184, 166, 0.3);
    color: #f1f5f9;
}

/* ============================================
   Navigation
   ============================================ */
#navbar {
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

#navbar.scrolled {
    background: rgba(2, 6, 23, 0.92);
    border-bottom: 1px solid rgba(51, 65, 85, 0.4);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

#navbar.scrolled .mobile-link {
    color: #e2e8f0;
}

/* ============================================
   Mobile Menu
   ============================================ */
#mobileMenu.open {
    opacity: 1;
    pointer-events: all;
}

#mobileMenu .mobile-link {
    transform: translateY(20px);
    opacity: 0;
    transition: all 0.4s ease;
}

#mobileMenu.open .mobile-link {
    transform: translateY(0);
    opacity: 1;
}

#mobileMenu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
#mobileMenu.open .mobile-link:nth-child(2) { transition-delay: 0.15s; }
#mobileMenu.open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
#mobileMenu.open .mobile-link:nth-child(4) { transition-delay: 0.25s; }

/* ============================================
   Hero Section
   ============================================ */
#hero {
    position: relative;
}

/* ============================================
   Service Cards
   ============================================ */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(45, 212, 191, 0.3), transparent);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.service-card:hover::before {
    opacity: 1;
}

/* ============================================
   Testimonial Cards
   ============================================ */
.testimonial-card {
    position: relative;
    overflow: hidden;
}

.testimonial-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-teal-500), transparent);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.testimonial-card:hover::after {
    opacity: 0.5;
}

/* ============================================
   Scroll Reveal Animations
   (Progressive Enhancement — content visible without JS)
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 1;
        transform: none;
    }
    
    .reveal[data-delay="100"] { transition-delay: 100ms; }
    .reveal[data-delay="200"] { transition-delay: 200ms; }
    .reveal[data-delay="300"] { transition-delay: 300ms; }
    .reveal[data-delay="400"] { transition-delay: 400ms; }
    .reveal[data-delay="500"] { transition-delay: 500ms; }
}

/* ============================================
   Button Hover Effects
   ============================================ */
a, button {
    -webkit-tap-highlight-color: transparent;
}

/* ============================================
   Input Focus States
   ============================================ */
input:focus,
select:focus,
textarea:focus {
    outline: none;
    box-shadow: 0 0 0 1px rgba(20, 184, 166, 0.3);
}

/* ============================================
   Responsive Adjustments
   ============================================ */
@media (max-width: 768px) {
    .font-cormorant {
        font-size: clamp(1.75rem, 5vw, 2.5rem);
    }
    
    #hero h1 {
        font-size: clamp(2.25rem, 7vw, 3.5rem);
    }
}

/* ============================================
   Gold Gradient Text Utility
   ============================================ */
.text-gradient-gold {
    background: linear-gradient(135deg, #fbbf24, #f59e0b, #d97706);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   Teal Gradient Text Utility
   ============================================ */
.text-gradient-teal {
    background: linear-gradient(135deg, #2dd4bf, #14b8a6, #0d9488);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   Shimmer Animation
   ============================================ */
@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

.text-shimmer {
    background: linear-gradient(90deg, var(--color-teal-400) 0%, var(--color-amber-400) 50%, var(--color-teal-400) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 4s linear infinite;
}

/* ============================================
   Pulse Ring Animation
   ============================================ */
@keyframes pulse-ring {
    0% { transform: scale(0.95); opacity: 0.7; }
    50% { transform: scale(1); opacity: 1; }
    100% { transform: scale(0.95); opacity: 0.7; }
}

.pulse-ring {
    animation: pulse-ring 2s ease-in-out infinite;
}