/* ============================================
   Ralph's Carpet Care — Custom Styles
   ============================================ */

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

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

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(201, 168, 76, 0.3);
    color: #faf8f4;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #091710;
}
::-webkit-scrollbar-thumb {
    background: #1a3a2a;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #2a5c2a;
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes scrollDown {
    0% { top: -16px; opacity: 1; }
    100% { top: 48px; opacity: 0; }
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-40px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

.animate-fade-in {
    animation: fadeIn 0.8s ease forwards;
}

/* Scroll-triggered animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-left.revealed {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-right.revealed {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-scale.revealed {
    opacity: 1;
    transform: scale(1);
}

/* Staggered delays */
.delay-100 { transition-delay: 0.1s !important; }
.delay-200 { transition-delay: 0.2s !important; }
.delay-300 { transition-delay: 0.3s !important; }
.delay-400 { transition-delay: 0.4s !important; }
.delay-500 { transition-delay: 0.5s !important; }
.delay-600 { transition-delay: 0.6s !important; }

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

#navbar.scrolled {
    background: rgba(9, 23, 16, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(201, 168, 76, 0.08);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #c9a84c;
    transition: width 0.3s ease;
}

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

.nav-link:hover {
    color: #c9a84c;
}

/* Mobile menu */
.mobile-link {
    position: relative;
}

.mobile-link:hover {
    color: #c9a84c;
}

#mobile-menu.open {
    opacity: 1 !important;
    pointer-events: all !important;
}

#mobile-menu:not(.open) {
    opacity: 0 !important;
    pointer-events: none !important;
}

.menu-line {
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

#mobile-menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

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

#mobile-menu-btn.active .menu-line:nth-child(3) {
    width: 20px;
    transform: rotate(-45deg) translate(4px, -4px);
}

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

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #c9a84c, transparent);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.service-card:hover::before {
    opacity: 1;
}

/* Process steps */
.process-step {
    position: relative;
}

.process-step::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -0.5rem;
    width: 1rem;
    height: 1px;
    background: linear-gradient(90deg, #c9a84c/30, transparent);
}

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

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -10px;
    right: 20px;
    font-family: 'Playfair Display', serif;
    font-size: 8rem;
    line-height: 1;
    color: rgba(201, 168, 76, 0.04);
    pointer-events: none;
}

/* Buttons */
.btn-primary {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

/* Input focus styles */
input:focus,
select:focus,
textarea:focus {
    outline: none;
}

/* Map filter for dark theme */
.map-dark {
    filter: invert(90%) hue-rotate(180deg) brightness(0.9) contrast(1.1);
}

/* Subtle grain texture overlay */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.015;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 256px 256px;
}

/* Smooth transitions for page elements */
a, button {
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Selection color */
::selection {
    background: rgba(201, 168, 76, 0.35);
}

/* Select dropdown styling */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23c9a84c' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* Gold gradient text utility */
.text-gold-gradient {
    background: linear-gradient(135deg, #e8d5a0, #c9a84c, #b8943f);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Shimmer effect for special elements */
.shimmer {
    background: linear-gradient(90deg, #c9a84c 0%, #e8d5a0 50%, #c9a84c 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 4s linear infinite;
}

/* Hover lift effect */
.hover-lift {
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease;
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px -20px rgba(0, 0, 0, 0.5);
}

/* Gradient border effect */
.gradient-border {
    position: relative;
    background: #0f241a;
    border-radius: 1rem;
}

.gradient-border::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 1rem;
    padding: 1px;
    background: linear-gradient(135deg, rgba(201, 168, 76, 0.3), transparent, rgba(201, 168, 76, 0.1));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

/* Back to top button */
#back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(201, 168, 76, 0.15);
    border: 1px solid rgba(201, 168, 76, 0.3);
    color: #c9a84c;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 100;
    backdrop-filter: blur(10px);
}

#back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

#back-to-top:hover {
    background: rgba(201, 168, 76, 0.25);
    transform: translateY(-2px);
}

/* Loading state for form */
.btn-loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(26, 58, 42, 0.3);
    border-top-color: #1a3a2a;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    top: 50%;
    left: 50%;
    margin-top: -10px;
    margin-left: -10px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}