/* ============================================
   SAB Buildwell Projects - Custom Styles
   Enhanced with Interactive Graphics & Effects
   ============================================ */

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

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

::-webkit-scrollbar-track {
    background: #1a1a1a;
}

::-webkit-scrollbar-thumb {
    background: #c9a96e;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #e0c999;
}

/* Selection Color */
::selection {
    background: #c9a96e;
    color: #0a0a0a;
}

/* ============================================
   Custom Cursor (Desktop Only)
   ============================================ */
.custom-cursor {
    position: fixed;
    width: 40px;
    height: 40px;
    border: 2px solid #c9a96e;
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s, background 0.3s, border-color 0.3s;
    mix-blend-mode: difference;
}

.custom-cursor.cursor-hover {
    width: 60px;
    height: 60px;
    background: rgba(201, 169, 110, 0.2);
    border-color: #e0c999;
}

.cursor-dot {
    position: fixed;
    width: 6px;
    height: 6px;
    background: #c9a96e;
    border-radius: 50%;
    pointer-events: none;
    z-index: 10000;
    transform: translate(-50%, -50%);
}

/* Hide cursor on touch devices */
@media (max-width: 768px) {
    .custom-cursor,
    .cursor-dot {
        display: none !important;
    }
    body {
        cursor: auto !important;
    }
}

/* ============================================
   Cursor Particle Trail
   ============================================ */
.particle-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9998;
}

.cursor-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: #c9a96e;
    border-radius: 50%;
    opacity: 0.8;
    animation: particleFade 1s ease-out forwards;
}

@keyframes particleFade {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.8;
    }
    100% {
        transform: translate(-50%, -50%) scale(0);
        opacity: 0;
    }
}

/* ============================================
   Navigation Styles
   ============================================ */
#navbar {
    background: transparent;
    transition: background 0.5s ease, backdrop-filter 0.5s ease, transform 0.5s ease;
}

#navbar.scrolled {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(201, 169, 110, 0.2);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-link {
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #c9a96e;
    transition: width 0.3s ease;
}

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

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

#three-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

#three-canvas canvas {
    display: block;
    width: 100% !important;
    height: 100% !important;
}

/* Floating Geometric Shapes */
.floating-shapes-container {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 5;
}

.floating-shape {
    position: absolute;
    opacity: 0.15;
    border: 1px solid #c9a96e;
}

.floating-shape.circle {
    border-radius: 50%;
}

.floating-shape.square {
    transform: rotate(45deg);
}

.floating-shape.line {
    width: 100px;
    height: 1px;
    border: none;
    background: #c9a96e;
}

/* ============================================
   Scroll Reveal Animations
   ============================================ */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Stagger children */
.scroll-reveal:nth-child(1) { transition-delay: 0.1s; }
.scroll-reveal:nth-child(2) { transition-delay: 0.2s; }
.scroll-reveal:nth-child(3) { transition-delay: 0.3s; }
.scroll-reveal:nth-child(4) { transition-delay: 0.4s; }

/* ============================================
   3D Tilt Card Effect
   ============================================ */
.tilt-card {
    transform-style: preserve-3d;
    transition: transform 0.1s ease-out;
    will-change: transform;
}

.tilt-card-content {
    transform: translateZ(50px);
}

.tilt-card-shine {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.1) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
    border-radius: inherit;
}

.tilt-card:hover .tilt-card-shine {
    opacity: 1;
}

/* ============================================
   Magnetic Button Effect
   ============================================ */
.magnetic-btn {
    transition: transform 0.2s ease-out;
    position: relative;
}

/* ============================================
   Project Gallery with Filtering
   ============================================ */
.gallery-filter-btn {
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.gallery-filter-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: #c9a96e;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    z-index: -1;
}

.gallery-filter-btn:hover::before,
.gallery-filter-btn.active::before {
    transform: translateX(0);
}

.gallery-filter-btn:hover,
.gallery-filter-btn.active {
    color: #0a0a0a !important;
}

.gallery-item {
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.gallery-item:hover {
    z-index: 10;
}

.gallery-item .gallery-overlay {
    background: linear-gradient(to top, rgba(10, 10, 10, 0.95) 0%, rgba(10, 10, 10, 0.3) 50%, transparent 100%);
    transform: translateY(100%);
    transition: transform 0.4s ease;
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-item .gallery-zoom-icon {
    opacity: 0;
    transform: scale(0.5);
    transition: all 0.3s ease;
}

.gallery-item:hover .gallery-zoom-icon {
    opacity: 1;
    transform: scale(1);
}

/* ============================================
   Image Lightbox
   ============================================ */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    opacity: 1;
    pointer-events: all;
}

.lightbox-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
}

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    z-index: 1;
}

.lightbox-image {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: lightboxIn 0.3s ease;
}

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

.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: absolute;
    background: rgba(201, 169, 110, 0.2);
    border: 1px solid #c9a96e;
    color: #c9a96e;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
    background: #c9a96e;
    color: #0a0a0a;
}

.lightbox-close {
    top: -60px;
    right: 0;
}

.lightbox-prev {
    left: -70px;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-next {
    right: -70px;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-caption {
    position: absolute;
    bottom: -50px;
    left: 0;
    right: 0;
    text-align: center;
    color: white;
    font-family: 'Playfair Display', serif;
    font-size: 1.2rem;
}

@media (max-width: 768px) {
    .lightbox-close {
        top: 20px;
        right: 20px;
    }
    .lightbox-prev,
    .lightbox-next {
        display: none;
    }
}

/* ============================================
   Before/After Slider
   ============================================ */
.before-after-container {
    position: relative;
    width: 100%;
    overflow: hidden;
    cursor: col-resize;
    user-select: none;
    -webkit-user-select: none;
}

.before-after-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    -webkit-user-drag: none;
    user-select: none;
    pointer-events: none;
}

.after-image {
    z-index: 1;
}

.before-image {
    z-index: 2;
    clip-path: inset(0 50% 0 0);
    -webkit-clip-path: inset(0 50% 0 0);
}

.before-after-slider {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 4px;
    background: linear-gradient(to bottom, transparent 0%, #c9a96e 20%, #c9a96e 80%, transparent 100%);
    transform: translateX(-50%);
    z-index: 10;
    pointer-events: none;
}

.slider-handle {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 50px;
    height: 50px;
    background: #c9a96e;
    border: 3px solid white;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 11;
    box-shadow: 0 0 20px rgba(201, 169, 110, 0.5);
    cursor: col-resize;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.slider-handle:hover {
    box-shadow: 0 0 30px rgba(201, 169, 110, 0.8);
    transform: translate(-50%, -50%) scale(1.1);
}

.slider-handle svg {
    color: white;
    width: 20px;
    height: 20px;
}

.before-label,
.after-label {
    position: absolute;
    top: 20px;
    padding: 8px 16px;
    background: rgba(10, 10, 10, 0.8);
    color: #c9a96e;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 600;
    z-index: 5;
    pointer-events: none;
}

.before-label {
    left: 20px;
}

.after-label {
    right: 20px;
}

/* ============================================
   Text Scramble Effect
   ============================================ */
.scramble-text {
    cursor: pointer;
    display: inline-block;
}

.scramble-char {
    color: #c9a96e;
    display: inline-block;
}

/* ============================================
   Animated SVG Lines
   ============================================ */
.animate-line {
    stroke-dasharray: 1000;
    stroke-dashoffset: 1000;
    transition: stroke-dashoffset 2s ease;
}

.animate-line.drawn {
    stroke-dashoffset: 0;
}

/* ============================================
   Image Hover Effects
   ============================================ */
.group:hover img {
    filter: brightness(1.1);
}

/* Zoom effect on hover */
.zoom-hover {
    overflow: hidden;
}

.zoom-hover img {
    transition: transform 0.7s ease;
}

.zoom-hover:hover img {
    transform: scale(1.15);
}

/* ============================================
   Form Styles
   ============================================ */
input::placeholder,
textarea::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

input:focus,
textarea:focus,
select:focus {
    box-shadow: 0 0 0 2px rgba(201, 169, 110, 0.3);
    outline: none;
}

/* ============================================
   Horizontal Scroll Gallery
   ============================================ */
.horizontal-scroll {
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    cursor: grab;
}

.horizontal-scroll::-webkit-scrollbar {
    display: none;
}

.horizontal-scroll:active {
    cursor: grabbing;
}

.horizontal-scroll > * {
    scroll-snap-align: start;
    flex-shrink: 0;
}

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

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

/* ============================================
   Back to Top Button
   ============================================ */
#back-to-top {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

#back-to-top.visible {
    opacity: 1;
    pointer-events: all;
}

/* ============================================
   Section Dividers & Decorative Elements
   ============================================ */
.section-divider {
    height: 1px;
    background: linear-gradient(to right, transparent, #c9a96e, transparent);
    opacity: 0.3;
}

.gold-border {
    position: relative;
}

.gold-border::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: #c9a96e;
}

/* Decorative corner accents */
.corner-accent {
    position: absolute;
    width: 30px;
    height: 30px;
    border: 2px solid #c9a96e;
    opacity: 0.5;
}

.corner-accent.tl {
    top: 0;
    left: 0;
    border-right: none;
    border-bottom: none;
}

.corner-accent.tr {
    top: 0;
    right: 0;
    border-left: none;
    border-bottom: none;
}

.corner-accent.bl {
    bottom: 0;
    left: 0;
    border-right: none;
    border-top: none;
}

.corner-accent.br {
    bottom: 0;
    right: 0;
    border-left: none;
    border-top: none;
}

/* ============================================
   Stats Counter Animation
   ============================================ */
.stat-number {
    display: inline-block;
    font-variant-numeric: tabular-nums;
}

/* ============================================
   Card Hover Lift Effect
   ============================================ */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

/* ============================================
   Noise Texture Overlay (Subtle)
   ============================================ */
.noise-overlay::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
}

/* ============================================
   Loading Screen
   ============================================ */
.loading-screen {
    position: fixed;
    inset: 0;
    background: #0a0a0a;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 2px solid transparent;
    border-top-color: #c9a96e;
    border-right-color: #c9a96e;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ============================================
   Custom Animations
   ============================================ */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.float-animation {
    animation: float 3s ease-in-out infinite;
}

@keyframes pulse-gold {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(201, 169, 110, 0.4);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(201, 169, 110, 0);
    }
}

.pulse-gold {
    animation: pulse-gold 2s infinite;
}

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

.shimmer {
    background: linear-gradient(90deg, transparent, rgba(201, 169, 110, 0.1), transparent);
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
}

@keyframes revealText {
    from {
        clip-path: inset(0 100% 0 0);
    }
    to {
        clip-path: inset(0 0 0 0);
    }
}

.text-reveal {
    animation: revealText 1s ease forwards;
}

/* ============================================
   Interactive Service Cards
   ============================================ */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: #c9a96e;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

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

.service-card .service-icon {
    transition: transform 0.3s ease, color 0.3s ease;
}

.service-card:hover .service-icon {
    transform: translateY(-5px);
    color: #c9a96e;
}

/* ============================================
   SVG Background Patterns
   ============================================ */
.svg-pattern {
    position: absolute;
    opacity: 0.05;
    pointer-events: none;
}

/* ============================================
   Glassmorphism Effect
   ============================================ */
.glass {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.glass-dark {
    background: rgba(10, 10, 10, 0.5);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(201, 169, 110, 0.2);
}

/* ============================================
   Grid Pattern Overlay
   ============================================ */
.grid-pattern {
    background-image: 
        linear-gradient(rgba(201, 169, 110, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(201, 169, 110, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
}

/* ============================================
   Workflow Timeline Styles
   ============================================ */
.workflow-step {
    position: relative;
}

.workflow-card {
    position: relative;
    transition: transform 0.5s ease, box-shadow 0.5s ease, border-color 0.3s ease;
}

.workflow-card:hover {
    transform: translateY(-5px);
}

.workflow-card .corner-accent {
    position: absolute;
    width: 24px;
    height: 24px;
    border: 2px solid #c9a96e;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.workflow-card:hover .corner-accent {
    opacity: 1;
}

.workflow-card .corner-accent.tl {
    top: 12px;
    left: 12px;
    border-right: none;
    border-bottom: none;
}

.workflow-node {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.workflow-node .animate-ping {
    animation: ping-gold 2s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes ping-gold {
    0% {
        transform: scale(1);
        opacity: 0.4;
    }
    75%, 100% {
        transform: scale(1.8);
        opacity: 0;
    }
}

.workflow-step .workflow-node > div:first-child {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.workflow-step:hover .workflow-node > div:first-child {
    transform: scale(1.1);
    box-shadow: 0 0 40px rgba(201, 169, 110, 0.4);
}

/* Workflow card icon hover */
.workflow-card .icon-container {
    transition: all 0.5s ease;
}

.workflow-card:hover .icon-container {
    background: #c9a96e;
    border-color: #c9a96e;
}

.workflow-card:hover .icon-container svg {
    color: #0a0a0a;
}

/* ============================================
   Responsive Typography Adjustments
   ============================================ */
@media (max-width: 640px) {
    .hero-title {
        font-size: 3rem !important;
    }
    
    .hero-tagline {
        font-size: 1.25rem !important;
    }
    
    .custom-cursor,
    .cursor-dot,
    .cursor-particle {
        display: none !important;
    }
    
    body {
        cursor: auto !important;
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    #navbar,
    #three-canvas,
    #back-to-top,
    .custom-cursor,
    .cursor-dot,
    .cursor-particle {
        display: none !important;
    }
    
    .scroll-reveal {
        opacity: 1 !important;
        transform: none !important;
    }
}

/* ============================================
   Focus Styles for Accessibility
   ============================================ */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid #c9a96e;
    outline-offset: 2px;
}

/* ============================================
   Reduced Motion
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}