/* ============================================
   Dr. Dimyan Balikcioglu MD — Custom Styles
   ============================================ */

/* Base Reset & Smooth Scrolling */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    min-height: 100vh;
    overflow-x: hidden;
}

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

::-webkit-scrollbar-track {
    background: #0A1628;
}

::-webkit-scrollbar-thumb {
    background: #D4A017;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #E8B82C;
}

/* ============================================
   Navigation
   ============================================ */
#navbar.scrolled {
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

#navbar.scrolled .menu-line {
    background: white;
}

/* ============================================
   Mobile Menu
   ============================================ */
.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease;
}

#mobileMenu.open .mobile-link:nth-child(1) { opacity: 1; transform: translateY(0); transition-delay: 0.1s; }
#mobileMenu.open .mobile-link:nth-child(2) { opacity: 1; transform: translateY(0); transition-delay: 0.2s; }
#mobileMenu.open .mobile-link:nth-child(3) { opacity: 1; transform: translateY(0); transition-delay: 0.3s; }
#mobileMenu.open .mobile-link:nth-child(4) { opacity: 1; transform: translateY(0); transition-delay: 0.4s; }
#mobileMenu.open .mobile-link:nth-child(5) { opacity: 1; transform: translateY(0); transition-delay: 0.5s; }

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

#hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(to top, white, transparent);
    pointer-events: none;
}

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

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #D4A017, #E8B82C);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

/* ============================================
   Approach Steps
   ============================================ */
.approach-step::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: #D4A017;
    transition: width 0.5s ease;
}

.approach-step:hover::after {
    width: 60px;
}

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

.testimonial-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: linear-gradient(to bottom, #D4A017, #E8B82C);
    transition: height 0.5s ease;
}

.testimonial-card:hover::before {
    height: 100%;
}

/* ============================================
   Scroll Reveal Animations
   (progressive enhancement — content is visible by default)
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s ease, transform 0.8s ease;
    }
    
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
    
    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
    .reveal-delay-5 { transition-delay: 0.5s; }
    .reveal-delay-6 { transition-delay: 0.6s; }
}

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

button[type="submit"]:active {
    transform: scale(0.98);
}

/* ============================================
   Form Focus States
   ============================================ */
input:focus, select:focus, textarea:focus {
    outline: none;
}

/* ============================================
   Responsive Adjustments
   ============================================ */
@media (max-width: 768px) {
    #hero::after {
        height: 60px;
    }
}