/* Custom Styles for Tuck's AC Refrigeration */

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

/* Hero Animations */
@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

@keyframes floatReverse {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(20px) rotate(-5deg); }
}

@keyframes spin-slow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes pulse-ring {
    0% { transform: scale(0.8); opacity: 0.5; }
    50% { transform: scale(1.2); opacity: 0.2; }
    100% { transform: scale(0.8); opacity: 0.5; }
}

.hero-shape {
    position: absolute;
    opacity: 0.08;
}

.shape-circle-1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #ff84a1, transparent);
    border-radius: 50%;
    top: -100px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}

.shape-circle-2 {
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, #fce7eb, transparent);
    border-radius: 50%;
    bottom: 10%;
    left: 5%;
    animation: floatReverse 6s ease-in-out infinite;
}

.shape-triangle {
    width: 0;
    height: 0;
    border-left: 100px solid transparent;
    border-right: 100px solid transparent;
    border-bottom: 173px solid #ff84a1;
    top: 20%;
    left: 10%;
    animation: spin-slow 20s linear infinite;
    opacity: 0.06;
}

.shape-square {
    width: 150px;
    height: 150px;
    background: #fce7eb;
    top: 60%;
    right: 15%;
    animation: float 7s ease-in-out infinite;
    transform: rotate(45deg);
}

.shape-diamond {
    width: 80px;
    height: 80px;
    background: #ff547e;
    top: 30%;
    right: 25%;
    transform: rotate(45deg);
    animation: floatReverse 5s ease-in-out infinite;
}

/* Service Card Hover */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #b82742, #ff547e);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

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

/* Navbar Scroll Effect */
.nav-scrolled {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

/* Fade In Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* Stagger Animation Delays */
.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }
.stagger-6 { animation-delay: 0.6s; }

/* Ring Animation for Phone Icon */
@keyframes ring {
    0% { transform: rotate(0deg); }
    10% { transform: rotate(-15deg); }
    20% { transform: rotate(15deg); }
    30% { transform: rotate(-15deg); }
    40% { transform: rotate(15deg); }
    50% { transform: rotate(0deg); }
    100% { transform: rotate(0deg); }
}

.animate-ring {
    animation: ring 1s ease-in-out;
}

/* Back to Top Button */
#back-to-top.visible {
    opacity: 1;
    pointer-events: auto;
}

#back-to-top:not(.visible) {
    transform: translateY(20px);
}

/* Mobile Menu Transition */
#mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

#mobile-menu.open {
    max-height: 300px;
}

/* Selection Color */
::selection {
    background: #fce7eb;
    color: #7a182d;
}

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

::-webkit-scrollbar-track {
    background: #f8f8f8;
}

::-webkit-scrollbar-thumb {
    background: #d4405e;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #b82742;
}

/* Image Placeholder */
img {
    max-width: 100%;
    height: auto;
}