/* ========================================
   CSS Reset & Base Styles
   ======================================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --color-black: #1a1a1a;
    --color-white: #ffffff;
    --color-yellow: #f5d547;
    --color-yellow-bright: #ffe033;
    --color-gray-light: #f8f8f8;
    --color-gray: #888888;
    --color-teal: #2d4a47;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing (8px rhythm) */
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 32px;
    --space-xl: 48px;
    --space-2xl: 64px;
    --space-3xl: 96px;
    --space-4xl: 128px;
    
    /* Transitions */
    --ease-out: cubic-bezier(0.33, 1, 0.68, 1);
    --transition-fast: 0.2s var(--ease-out);
    --transition-medium: 0.4s var(--ease-out);
}

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

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.5;
    color: var(--color-black);
    background-color: var(--color-white);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

.container {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) var(--space-xl);
    background-color: transparent;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.navbar.scrolled {
    background-color: var(--color-white);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1440px;
    margin: 0 auto;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--color-yellow);
    border-radius: 50%;
    font-weight: 700;
    font-size: 11px;
    color: var(--color-black);
    letter-spacing: 0.5px;
}

.logo-text {
    font-weight: 600;
    font-size: 20px;
    color: var(--color-black);
}

.nav-links {
    display: flex;
    gap: var(--space-lg);
}

.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-black);
    opacity: 0.9;
    transition: opacity var(--transition-fast);
}

.nav-links a:hover {
    opacity: 0.6;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    position: relative;
    z-index: 10;
}

.nav-right a {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-black);
    transition: opacity var(--transition-fast);
}

.nav-right a:hover {
    opacity: 0.7;
}

.nav-search {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.nav-search svg {
    width: 18px;
    height: 18px;
    stroke: var(--color-black);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-md);
    font-size: 14px;
    font-weight: 600;
    border-radius: 50px;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    will-change: transform;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background-color: var(--color-yellow);
    color: var(--color-black);
}

.btn-primary:hover {
    box-shadow: 0 8px 24px rgba(245, 213, 71, 0.3);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.hero-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* White diagonal design element */
.hero-diagonal {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: var(--color-white);
    clip-path: polygon(65% 0%, 100% 0%, 100% 100%, 35% 100%);
    z-index: 2;
    overflow: hidden;
}

/* Wave art SVG */
.wave-art {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.8;
}

.wave {
    transform-origin: center;
}

/* Add subtle shadow to diagonal edge */
.hero-diagonal::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100px;
    height: 100%;
    background: linear-gradient(to right, rgba(0,0,0,0.08), transparent);
    transform: translateX(-50px);
    z-index: 1;
}

.hero-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-4xl) var(--space-xl);
    padding-bottom: var(--space-xl);
    max-width: 1440px;
    margin: 0 auto;
    width: 100%;
    position: relative;
    z-index: 5;
}

.hero-title {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: clamp(48px, 8vw, 96px);
    font-weight: 400;
    font-style: normal;
    line-height: 1.05;
    color: var(--color-white);
    max-width: 800px;
    letter-spacing: -0.01em;
    opacity: 0;
    transform: translateY(40px);
}

.hero-title em {
    font-style: italic;
}

.hero-divider {
    width: 100%;
    height: 1px;
    background-color: rgba(255, 255, 255, 0.4);
    margin: var(--space-xl) 0;
    transform: scaleX(0);
    transform-origin: left;
}

.hero-bottom {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--space-xl);
    flex-wrap: wrap;
    margin-top: auto;
}

.hero-description {
    max-width: 280px;
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.85);
    opacity: 0;
    transform: translateY(20px);
}

.hero-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    opacity: 0;
    transform: translateY(20px);
}

.hero-question {
    max-width: 240px;
    font-size: 15px;
    font-weight: 400;
    color: var(--color-white);
    text-align: center;
    line-height: 1.5;
}

.hero-nav-arrows {
    display: flex;
    gap: var(--space-sm);
    opacity: 0;
    transform: translateY(20px);
}

.arrow-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: var(--color-white);
    background: transparent;
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.arrow-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.6);
}

.arrow-next {
    background-color: var(--color-yellow);
    border-color: var(--color-yellow);
    color: var(--color-black);
}

.arrow-next:hover {
    background-color: var(--color-yellow-bright);
    border-color: var(--color-yellow-bright);
}

/* ========================================
   Acoustic Section
   ======================================== */
.acoustic-section {
    padding: var(--space-3xl) 0;
    background-color: var(--color-white);
}

.section-title {
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 500;
    line-height: 1.15;
    max-width: 800px;
    letter-spacing: -0.02em;
    opacity: 0;
    transform: translateY(40px);
}

.section-divider {
    width: 100%;
    height: 1px;
    background-color: rgba(0, 0, 0, 0.1);
    margin: var(--space-xl) 0;
    transform: scaleX(0);
    transform-origin: left;
}

.acoustic-content {
    display: flex;
    gap: var(--space-xl);
    margin-top: var(--space-lg);
}

.acoustic-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    transform: translateY(20px);
}

.yellow-dot {
    width: 24px;
    height: 24px;
    background-color: var(--color-yellow);
    border-radius: 50%;
}

.acoustic-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    flex: 1;
}

.acoustic-card {
    position: relative;
    aspect-ratio: 4/3;
    border-radius: 16px;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
}

.acoustic-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-medium);
}

.acoustic-card:hover img {
    transform: scale(1.05);
}

.card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-md);
    background: linear-gradient(to top, rgba(0, 0, 0, 0.6), transparent);
    color: var(--color-white);
}

.card-overlay h3 {
    font-size: 18px;
    font-weight: 600;
}

.card-overlay p {
    font-size: 14px;
    opacity: 0.8;
}

/* Rugs Preview */
.rugs-preview {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    margin-top: var(--space-xl);
    padding-top: var(--space-xl);
}

.rug-item {
    aspect-ratio: 4/3;
    border-radius: 16px;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
}

.rug-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-medium);
}

.rug-item:hover img {
    transform: scale(1.05);
}

/* ========================================
   Solution Section
   ======================================== */
.solution-section {
    padding: var(--space-3xl) 0;
    background-color: var(--color-white);
}

.solution-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
}

.solution-title {
    font-size: clamp(64px, 12vw, 180px);
    font-weight: 400;
    letter-spacing: -0.03em;
    opacity: 0;
    transform: translateY(40px);
}

.solution-title sup {
    font-size: 0.2em;
    vertical-align: super;
    margin-left: 8px;
}

.expand-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background-color: var(--color-black);
    border-radius: 12px;
    color: var(--color-white);
    transition: transform var(--transition-fast);
    opacity: 0;
    transform: translateY(20px);
}

.expand-btn:hover {
    transform: scale(1.05);
}

.solution-btn {
    opacity: 0;
    transform: translateY(20px);
}

/* ========================================
   Future Section
   ======================================== */
.future-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
}

.future-background {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.future-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.future-diagonal {
    position: absolute;
    top: 0;
    left: 50%;
    width: 200px;
    height: 60px;
    background-color: var(--color-white);
    transform: skewX(-45deg);
}

.future-content {
    padding: var(--space-4xl) var(--space-xl);
    max-width: 700px;
}

.future-title {
    font-size: clamp(40px, 6vw, 72px);
    font-weight: 600;
    line-height: 1.1;
    color: var(--color-white);
    letter-spacing: -0.02em;
    opacity: 0;
    transform: translateY(40px);
}

.future-subtitle {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    margin-top: var(--space-md);
    opacity: 0;
    transform: translateY(20px);
}

.carbon-btn {
    position: absolute;
    bottom: var(--space-xl);
    right: var(--space-xl);
    opacity: 0;
    transform: translateY(20px);
}

/* ========================================
   Explore Projects Section
   ======================================== */
.explore-section {
    padding: var(--space-3xl) 0;
    background-color: var(--color-white);
}

.explore-title {
    max-width: 700px;
}

.project-row {
    display: grid;
    grid-template-columns: 200px 1fr auto;
    gap: var(--space-xl);
    align-items: flex-start;
    padding: var(--space-xl) 0;
    opacity: 0;
    transform: translateY(30px);
}

.project-category {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 16px;
    font-weight: 500;
}

.project-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.project-heading {
    font-size: 24px;
    font-weight: 600;
    line-height: 1.3;
    max-width: 400px;
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-lg);
    font-size: 14px;
    font-weight: 500;
    border: 1px solid var(--color-black);
    border-radius: 50px;
    background: transparent;
    color: var(--color-black);
    transition: background-color var(--transition-fast), color var(--transition-fast);
    width: fit-content;
}

.btn-outline:hover {
    background-color: var(--color-black);
    color: var(--color-white);
}

.project-actions {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding-top: var(--space-xs);
}

.link-underline {
    font-size: 14px;
    font-weight: 500;
    text-decoration: underline;
    text-underline-offset: 4px;
}

.link-muted {
    font-size: 14px;
    color: var(--color-gray);
}

/* ========================================
   Projects Section
   ======================================== */
.projects-section {
    padding: var(--space-3xl) 0;
    background-color: var(--color-white);
}

.projects-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3xl);
    margin-bottom: var(--space-lg);
    position: relative;
}

.projects-title {
    font-size: clamp(64px, 12vw, 180px);
    font-weight: 400;
    letter-spacing: -0.03em;
    text-align: center;
    opacity: 0;
    transform: translateY(40px);
}

.projects-title sup {
    font-size: 0.2em;
    vertical-align: super;
    margin-left: 8px;
}

.projects-header .expand-btn {
    position: absolute;
    right: 0;
}

.projects-btn {
    display: block;
    width: fit-content;
    margin: 0 auto;
    opacity: 0;
    transform: translateY(20px);
}

/* ========================================
   Shop CTA Section
   ======================================== */
.shop-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.shop-background {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.shop-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.shop-background::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
}

.shop-content {
    max-width: 900px;
    padding: var(--space-xl);
    color: var(--color-white);
}

.shop-subtitle {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: var(--space-md);
    opacity: 0;
    transform: translateY(20px);
}

.shop-title {
    font-size: clamp(36px, 6vw, 64px);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
    opacity: 0;
    transform: translateY(40px);
}

.shop-description {
    font-size: 16px;
    line-height: 1.6;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto var(--space-lg);
    opacity: 0;
    transform: translateY(20px);
}

.btn-shop {
    background-color: var(--color-yellow);
    color: var(--color-black);
    padding: var(--space-sm) var(--space-xl);
    font-size: 16px;
    font-weight: 600;
    opacity: 0;
    transform: translateY(20px);
}

/* ========================================
   Collaborate Section
   ======================================== */
.collaborate-section {
    padding: var(--space-3xl) 0;
    background-color: #fdf9ed;
}

.collaborate-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.collaborate-title {
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 600;
    line-height: 1.15;
    max-width: 550px;
    letter-spacing: -0.02em;
    opacity: 0;
    transform: translateY(40px);
}

.collaborate-header .btn {
    flex-shrink: 0;
    opacity: 0;
    transform: translateY(20px);
}

.contact-info {
    display: flex;
    gap: var(--space-3xl);
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    opacity: 0;
    transform: translateY(20px);
}

.contact-item svg {
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-item p {
    font-size: 14px;
    line-height: 1.6;
}

/* ========================================
   Project Display Section
   ======================================== */
.project-display-section {
    position: relative;
    padding: var(--space-3xl) 0;
    background-color: #faf9f6;
    overflow: hidden;
}

.project-display-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.wave-art-bg {
    width: 100%;
    height: 100%;
}

.project-display-header {
    position: relative;
    z-index: 1;
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.project-display-header .section-title {
    max-width: none;
    margin-bottom: var(--space-sm);
}

.section-subtitle {
    font-size: 16px;
    color: var(--color-gray);
    max-width: 500px;
    margin: 0 auto;
}

.project-display-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.project-card {
    background: var(--color-white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
    opacity: 0;
    transform: translateY(30px);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.project-card-image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
}

.project-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-medium);
}

.project-card:hover .project-card-image img {
    transform: scale(1.05);
}

.project-card-tag {
    position: absolute;
    top: var(--space-sm);
    left: var(--space-sm);
    padding: 6px 14px;
    background: var(--color-yellow);
    color: var(--color-black);
    font-size: 12px;
    font-weight: 600;
    border-radius: 50px;
}

.project-card-content {
    padding: var(--space-md);
}

.project-card-content h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.project-card-content p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-gray);
    margin-bottom: var(--space-sm);
}

.project-card-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-black);
    transition: color var(--transition-fast);
}

.project-card-link:hover {
    color: var(--color-yellow);
}

/* ========================================
   About Section
   ======================================== */
.about-section {
    padding: var(--space-3xl) 0;
    background-color: #fdf9ed;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
    margin-bottom: var(--space-2xl);
}

.about-label {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-yellow);
    background: rgba(245, 213, 71, 0.2);
    padding: 6px 14px;
    border-radius: 50px;
    margin-bottom: var(--space-md);
}

.about-title {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--space-md);
    opacity: 0;
    transform: translateY(30px);
}

.about-text {
    font-size: 16px;
    line-height: 1.7;
    color: #555;
    margin-bottom: var(--space-sm);
}

.about-stats {
    display: flex;
    gap: var(--space-xl);
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-black);
}

.stat-label {
    font-size: 14px;
    color: var(--color-gray);
}

.about-image {
    border-radius: 20px;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.contact-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-lg);
}

.contact-row .contact-item {
    opacity: 1;
    transform: none;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .nav-links {
        display: none;
    }
    
    .acoustic-content {
        flex-direction: column;
    }
    
    .acoustic-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .rugs-preview {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .project-row {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .project-actions {
        padding-top: 0;
    }
    
    .collaborate-header {
        flex-direction: column;
    }
    
    .project-display-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .about-image {
        order: -1;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: var(--space-sm);
    }
    
    .nav-right a:not(.nav-search) {
        display: none;
    }
    
    .hero-content {
        padding: var(--space-3xl) var(--space-sm);
    }
    
    .hero-bottom {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .acoustic-grid,
    .rugs-preview {
        grid-template-columns: 1fr;
    }
    
    .solution-header,
    .projects-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }
    
    .projects-header .expand-btn {
        position: static;
    }
    
    .container {
        padding: 0 var(--space-sm);
    }
    
    .contact-info {
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    .project-display-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-row {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .about-stats {
        flex-wrap: wrap;
        gap: var(--space-lg);
    }
}

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

/* GPU acceleration for animated elements */
.hero-title,
.hero-divider,
.hero-description,
.hero-cta,
.hero-nav-arrows,
.hero-slide,
.section-title,
.section-divider,
.acoustic-label,
.acoustic-card,
.rug-item,
.solution-title,
.expand-btn,
.solution-btn,
.future-title,
.future-subtitle,
.carbon-btn,
.project-row,
.projects-title,
.projects-btn,
.shop-subtitle,
.shop-title,
.shop-description,
.btn-shop,
.collaborate-title,
.contact-item {
    will-change: transform, opacity;
}