/* ========================================
   Kleitches Athanasios DDS — Custom Styles
   Classic & Elegant Dental Practice
======================================== */

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

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Selection */
::selection {
    background-color: #e86540;
    color: #ffffff;
}

/* ========================================
   Navbar
======================================== */
#navbar {
    background: transparent;
}

#navbar.scrolled {
    background: rgba(255, 255, 255, 0.97);
    backdrop-blur-md;
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.08);
}

#navbar.scrolled .nav-text {
    color: #1a1a1a;
}

#navbar.scrolled .nav-link {
    color: #4a4a4a;
}

#navbar.scrolled .menu-line {
    background: #2d2d2d;
}

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

#mobileMenu.closed {
    opacity: 0;
    pointer-events: none;
}

.menu-line {
    display: block;
}

#menuBtn.active .menu-line:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

#menuBtn.active .menu-line:nth-child(2) {
    opacity: 0;
}

#menuBtn.active .menu-line:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
    width: 1.5rem;
}

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

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

/* ========================================
   Service Cards
======================================== */
.service-card {
    opacity: 1;
}

.service-card .service-image {
    transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* ========================================
   Scroll Reveal (progressive enhancement)
======================================== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                    transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }

    .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; }
}

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

/* ========================================
   Responsive
======================================== */
@media (max-width: 767px) {
    #hero::after {
        height: 60px;
    }
}