* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --gold: #D4AF37;
    --gold-light: #F4E5C2;
    --dark: #0A0A0A;
    --dark-light: #1A1A1A;
    --dark-medium: #2A2A2A;
    --light: #FFFFFF;
    --light-dim: rgba(255, 255, 255, 0.7);
    --easing-luxury: cubic-bezier(0.23, 1, 0.32, 1);
    --easing-smooth: cubic-bezier(0.4, 0.0, 0.2, 1);
    --easing-cinematic: cubic-bezier(0.65, 0, 0.35, 1);
}

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@300;400;500;600;700&display=swap');

html {
    scroll-behavior: auto;
}

body {
    font-family: 'Cormorant Garamond', 'Times New Roman', serif;
    background: var(--dark);
    color: var(--light);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

.portfolio-badge {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    pointer-events: none;
}

.badge-text {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    color: var(--gold);
    text-transform: uppercase;
    opacity: 0.8;
}

@media (max-width: 768px) {
    .portfolio-badge {
        top: 10px;
        right: 10px;
    }

    .badge-text {
        font-size: 0.625rem;
        padding: 6px 12px;
    }
}

.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    background: var(--dark);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.8s var(--easing-luxury), visibility 0.8s;
}

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

.preloader-content {
    text-align: center;
}

.spirit-icon {
    margin-bottom: 2rem;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.4;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
}

.loading-bar {
    width: 200px;
    height: 2px;
    background: rgba(212, 175, 55, 0.2);
    border-radius: 2px;
    overflow: hidden;
}

.loading-progress {
    height: 100%;
    background: var(--gold);
    width: 0%;
    transition: width 0.3s ease-out;
}

.scroll-indicator {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: rgba(212, 175, 55, 0.1);
    z-index: 1000;
    pointer-events: none;
}

.scroll-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--gold), #F4E5C2);
    width: 0%;
    transition: width 0.1s ease-out;
}

.grain-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' 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)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 100;
    opacity: 0.5;
    mix-blend-mode: overlay;
}

.scroll-spacer {
    height: 100vh;
    height: 100dvh;
    pointer-events: none;
}

.viewport-pin {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
    z-index: 1;
}

.vignette {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(
        ellipse at center,
        transparent 0%,
        transparent 35%,
        rgba(0, 0, 0, 0.25) 65%,
        rgba(0, 0, 0, 0.65) 100%
    );
    pointer-events: none;
    z-index: 50;
}

.frame-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.frame {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    will-change: transform, opacity;
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
}

.frame:first-child {
    opacity: 1;
}

.frame-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transform: scale(1.15);
    will-change: transform;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.text-container {
    position: absolute;
    bottom: 12%;
    left: 8%;
    max-width: 700px;
    z-index: 100;
    pointer-events: none;
}

.text-frame {
    position: absolute;
    bottom: 0;
    left: 0;
    opacity: 0;
    will-change: transform, opacity;
}

.text-frame:first-child {
    opacity: 1;
}

.text-frame:first-child .title-line,
.text-frame:first-child .subtitle {
    opacity: 1;
    transform: translateY(0);
}

.title {
    font-size: clamp(3rem, 8vw, 7rem);
    font-weight: 300;
    letter-spacing: 0.05em;
    line-height: 1.1;
    margin-bottom: 1rem;
    color: var(--light);
    text-transform: uppercase;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
}

.title-line {
    display: block;
    transform: translateY(20px);
    opacity: 0;
    will-change: transform, opacity;
}

.subtitle {
    font-size: clamp(1rem, 2vw, 1.5rem);
    font-weight: 300;
    letter-spacing: 0.15em;
    color: var(--gold);
    text-transform: uppercase;
    opacity: 0;
    transform: translateY(15px);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    will-change: transform, opacity;
}

.model-3d-section {
    position: relative;
    background: linear-gradient(180deg, var(--dark) 0%, var(--dark-light) 50%, var(--dark) 100%);
    padding: 120px 0;
    z-index: 10;
}

.model-3d-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 6%;
}

.model-3d-header {
    text-align: center;
    margin-bottom: 60px;
}

.model-3d-label {
    display: inline-block;
    font-size: 0.875rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(212, 175, 55, 0.3);
}

.model-3d-title {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 300;
    letter-spacing: 0.05em;
    line-height: 1.2;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.model-3d-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    letter-spacing: 0.15em;
    color: var(--light-dim);
    text-transform: uppercase;
}

.canvas-container {
    position: relative;
    width: 100%;
    height: 70vh;
    min-height: 500px;
    max-height: 800px;
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.8) 0%, rgba(26, 26, 26, 0.6) 100%);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 4px;
    overflow: hidden;
}

.canvas-texture {
    position: absolute;
    inset: 0;
    z-index: 0;
    background:
        radial-gradient(circle at 50% 48%, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0.03) 18%, rgba(10, 10, 10, 0.9) 50%, rgba(6, 6, 6, 0.98) 100%),
        linear-gradient(180deg, rgba(212, 175, 55, 0.08) 0%, rgba(10, 10, 10, 0.6) 45%, rgba(10, 10, 10, 0.95) 100%),
        url("data:image/svg+xml,%3Csvg viewBox='0 0 320 320' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.045'/%3E%3C/svg%3E");
    background-size: cover, cover, 220px 220px;
    background-position: center;
    transform: scale(1.02);
}

#model-canvas {
    width: 100%;
    height: 100%;
    display: block;
    cursor: grab;
    position: relative;
    z-index: 1;
}

#model-canvas:active {
    cursor: grabbing;
}

.model-controls {
    position: absolute;
    bottom: 20px;
    right: 20px;
    display: flex;
    gap: 12px;
    z-index: 10;
}

.model-control-btn {
    padding: 12px 20px;
    background: rgba(10, 10, 10, 0.9);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 4px;
    color: var(--gold);
    font-family: 'Cormorant Garamond', serif;
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s var(--easing-smooth);
}

.model-control-btn:hover,
.model-control-btn.active {
    background: rgba(212, 175, 55, 0.12);
    border-color: var(--gold);
}

.model-loading {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(10, 10, 10, 0.95);
    z-index: 20;
    transition: opacity 0.5s var(--easing-smooth);
}

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

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 3px solid rgba(212, 175, 55, 0.2);
    border-top-color: var(--gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1.5rem;
}

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

.model-loading p {
    font-size: 1rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold);
}

.case-study-section {
    position: relative;
    background: var(--dark);
    color: var(--light);
    padding: 120px 0 80px;
    z-index: 10;
}

.case-study-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 6%;
}

.case-study-header {
    margin-bottom: 80px;
    text-align: center;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.case-study-label {
    display: inline-block;
    font-size: 0.875rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(212, 175, 55, 0.3);
}

.case-study-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 300;
    letter-spacing: 0.02em;
    line-height: 1.2;
    margin-bottom: 2rem;
}

.case-study-intro {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    line-height: 1.7;
    color: var(--light-dim);
}

.case-study-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 400px), 1fr));
    gap: 60px 40px;
    margin-bottom: 80px;
}

@media (min-width: 1024px) {
    .case-study-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.case-study-block {
    padding: 40px;
    background: linear-gradient(135deg, var(--dark-light) 0%, var(--dark) 100%);
    border: 1px solid rgba(212, 175, 55, 0.15);
    border-radius: 2px;
    transition: all 0.4s var(--easing-luxury);
}

.case-study-block:hover {
    border-color: rgba(212, 175, 55, 0.4);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.case-study-block-highlight {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.08) 0%, var(--dark-light) 100%);
    border-color: rgba(212, 175, 55, 0.3);
}

.block-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 400;
    letter-spacing: 0.03em;
    color: var(--gold);
    margin-bottom: 1.5rem;
}

.block-content {
    font-size: clamp(1rem, 1.5vw, 1.125rem);
    line-height: 1.8;
    color: var(--light-dim);
}

.block-content p {
    margin-bottom: 1rem;
}

.block-content p:last-child {
    margin-bottom: 0;
}

.block-content strong {
    color: var(--light);
}

.block-list {
    list-style: none;
    padding: 0;
}

.block-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.875rem;
    font-size: clamp(1rem, 1.5vw, 1.125rem);
    line-height: 1.7;
    color: var(--light-dim);
}

.block-list li:before {
    content: "-";
    position: absolute;
    left: 0;
    color: var(--gold);
}

.case-study-footer {
    padding-top: 60px;
    border-top: 1px solid rgba(212, 175, 55, 0.2);
}

.cta-block {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.cta-headline {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 400;
    letter-spacing: 0.02em;
    margin-bottom: 1rem;
}

.cta-subtext {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    line-height: 1.6;
    color: var(--light-dim);
}

@media (max-width: 768px) {
    .text-container {
        bottom: 15%;
        left: 5%;
        right: 5%;
        max-width: 100%;
    }

    .title {
        font-size: clamp(2.5rem, 10vw, 4rem);
    }

    .subtitle {
        font-size: clamp(0.875rem, 3vw, 1.125rem);
        letter-spacing: 0.1em;
    }

    .canvas-container {
        height: 50vh;
        min-height: 380px;
    }

    .model-controls {
        bottom: 12px;
        right: 12px;
    }

    .model-control-btn {
        padding: 8px 14px;
    }

    .case-study-section {
        padding: 80px 0 60px;
    }

    .case-study-grid {
        gap: 40px 20px;
    }

    .case-study-block {
        padding: 30px 25px;
    }
}

@media (max-width: 480px) {
    .canvas-container {
        height: 56vh;
        min-height: 300px;
    }

    .model-controls {
        flex-direction: column;
        gap: 8px;
    }

    .model-control-btn {
        min-width: 96px;
        font-size: 0.75rem;
        padding: 8px 12px;
    }
}

.frame,
.frame-image,
.text-frame {
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .frame-image {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

.frame,
.frame-image,
.text-frame,
.title-line,
.subtitle {
    transform: translate3d(0, 0, 0);
    -webkit-transform: translate3d(0, 0, 0);
}

@media print {
    .preloader,
    .scroll-indicator,
    .grain-overlay,
    .portfolio-badge {
        display: none;
    }
}

@supports (padding: max(0px)) {
    .text-container {
        padding-left: max(0px, env(safe-area-inset-left));
        padding-right: max(0px, env(safe-area-inset-right));
    }

    .model-controls {
        right: max(12px, env(safe-area-inset-right));
        bottom: max(12px, env(safe-area-inset-bottom));
    }
}