/* ============================================
   HELIO CURE — Premium Medical & Health
   Custom Styles
   ============================================ */

/* Base Reset & Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

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

/* ============================================
   HERO ORB ANIMATIONS
   ============================================ */
.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 8s ease-in-out infinite;
}

.hero-orb--1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 107, 74, 0.5) 0%, transparent 70%);
    top: -10%;
    left: -10%;
    animation-delay: 0s;
}

.hero-orb--2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(212, 160, 23, 0.35) 0%, transparent 70%);
    bottom: -5%;
    right: -5%;
    animation-delay: -3s;
}

.hero-orb--3 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(255, 138, 112, 0.3) 0%, transparent 70%);
    top: 40%;
    right: 20%;
    animation-delay: -5s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.05);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.95);
    }
}

/* ============================================
   SCROLL REVEAL ANIMATIONS
   ============================================ */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal[data-revealed="false"] {
    opacity: 0;
    transform: translateY(40px);
}

/* ============================================
   NAVBAR
   ============================================ */
#navbar {
    background: transparent;
    transition: background 0.4s ease, backdrop-filter 0.4s ease, box-shadow 0.4s ease;
}

#navbar.scrolled {
    background: rgba(26, 26, 31, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* ============================================
   MOBILE MENU
   ============================================ */
.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease, color 0.3s ease;
}

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

#mobileMenu.open .mobile-link:nth-child(1) { transition-delay: 0.05s; }
#mobileMenu.open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
#mobileMenu.open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
#mobileMenu.open .mobile-link:nth-child(4) { transition-delay: 0.2s; }

/* Menu button animation */
.menu-line {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

#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;
}

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

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

/* ============================================
   GOLD SHIMMER EFFECT
   ============================================ */
@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */
@media (max-width: 768px) {
    .hero-orb {
        filter: blur(60px);
        opacity: 0.3;
    }
    
    .hero-orb--1 {
        width: 300px;
        height: 300px;
    }
    
    .hero-orb--2 {
        width: 250px;
        height: 250px;
    }
    
    .hero-orb--3 {
        width: 180px;
        height: 180px;
    }
}

/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    .hero-orb {
        animation: none;
    }
    
    .reveal {
        transition: none;
    }
    
    html {
        scroll-behavior: auto;
    }
}