/* ===== BASE & RESET ===== */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    overflow-x: hidden;
}

/* ===== NAVBAR ===== */
.nav-text {
    transition: color 0.3s ease;
}

#navbar.scrolled .nav-text {
    color: #4A148C;
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #d97706;
    transition: width 0.3s ease;
}

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

#navbar.scrolled .nav-link {
    color: #4A148C;
}

/* ===== MOBILE MENU ===== */
.mobile-link {
    position: relative;
}

/* ===== HERO FLOATING CARDS ===== */
.floating-card {
    animation: float 6s ease-in-out infinite;
}

.floating-card:first-child {
    animation-delay: 0s;
}

.floating-card:last-child {
    animation-delay: -3s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

/* ===== SERVICE CARDS ===== */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: #fbbf24;
    transition: height 0.4s ease;
}

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

/* ===== CONDITION CARDS ===== */
.condition-card {
    position: relative;
    overflow: hidden;
}

.condition-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #4A148C, #fbbf24);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.condition-card:hover::after {
    transform: scaleX(1);
}

/* ===== SCROLL REVEAL ANIMATIONS ===== */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
    }

    .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; }
}

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

/* ===== FORM FOCUS STYLES ===== */
input:focus, textarea:focus {
    box-shadow: 0 0 0 3px rgba(74, 20, 140, 0.1);
}

/* ===== SELECTION ===== */
::selection {
    background: rgba(74, 20, 140, 0.15);
    color: #4A148C;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .floating-card {
        display: none;
    }
}