:root {
    --cream: #EEEAE7;
    --cream-light: #F5F4F2;
    --accent: #845F42;
    --black: #0E0701;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
html {
    scroll-behavior: smooth;
}
body {
    margin: 0;
    font-family: 'Playfair Display', serif;
    color: var(--black);
    background: var(--cream-light);
}

.hero {
    display: flex;
    min-height: 100vh;
    position: relative;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 5;
}

.hero.transform-to-header {
    transform: translateY(-100vh);
}

.hero__left {
    background: var(--cream);
    padding: 48px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 32px;
    flex: 1;
}

.brand { display: flex; flex-direction: column; }
.brand__logo { width: 180px; height: auto; display: block; }

.intro {
    line-height: 1.5;
    font-size: 20px;
    max-width: 460px;
    margin: 0;
    text-align: left;
}

.features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    width: 100%;
    max-width: 460px;
    margin: 0 auto;
}

.feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 16px;
    padding: 32px 24px;
    border: 1px solid rgba(132,95,66,0.25);
    border-radius: 24px;
    background: transparent;
    aspect-ratio: 1;
}

.feature__icon { 
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #F5F4F2;
    border-radius: 50%;
}
.feature__icon svg { 
    width: 32px;
    height: 32px;
}
.feature__text { 
    font-size: 16px;
    line-height: 1.4;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.feature__text strong { 
    color: var(--accent);
    font-weight: 700;
    font-size: 18px;
    display: block;
}

.cta {
    display: inline-block;
    align-self: center;
    background: var(--accent);
    color: #F5F4F2;
    text-decoration: none;
    padding: 16px 32px;
    border-radius: 32px;
    font-size: 18px;
    letter-spacing: 0.02em;
}

.hero__image { position: relative; overflow: hidden; }
.hero__image img { 
    height: 100vh;
    width: 100%;
    object-fit: cover;
    display: block;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.scroll-text {
    color: #F5F4F2;
    font-size: 18px;
    letter-spacing: 0.1em;
    font-weight: 700;
}

.scroll-icon {
    width: 30px;
    height: 50px;
    border: 2px solid #F5F4F2;
    border-radius: 15px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding-top: 8px;
}

.scroll-icon::before {
    content: '';
    width: 4px;
    height: 8px;
    background: #F5F4F2;
    border-radius: 2px;
    animation: scrollDown 2s infinite;
}

@keyframes scrollDown {
    0% {
        opacity: 1;
        transform: translateY(0);
    }
    50% {
        opacity: 0.5;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 900px) {
    .hero { flex-direction: column; }
    .hero__left { order: 2; }
}

/* Product Detail Section */
.product-detail {
    min-height: 100vh;
    background: var(--cream-light);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    transform: translateY(100vh);
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 10;
}

.product-detail.active {
    transform: translateY(0);
}

.top-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90px;
    padding: 0 48px;
    background: var(--cream);
    border-bottom: 1px solid rgba(132,95,66,0.1);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: opacity 0.2s;
}

.nav-brand:hover {
    opacity: 0.8;
}

.nav-logo {
    width: 120px;
    height: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: var(--black);
    text-decoration: none;
    font-size: 18px;
    font-weight: 600;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--accent);
}

.nav-cta {
    background: var(--accent);
    color: #F5F4F2 !important;
    padding: 12px 24px;
    border-radius: 24px;
    font-weight: 700;
    font-size: 18px;
}

.product-content {
    display: flex;
    flex: 1;
    min-height: calc(100vh - 90px);
}

.product-image {
    background: var(--cream);
    position: relative;
    overflow: hidden;
    padding: 0;
    height: calc(100vh - 90px);
}

.product-image img {
    height: 100%;
    width: 100%;
    object-fit: cover;
    display: block;
}

.product-content-right {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: calc(460px + 96px);
}

.product-info {
    background: var(--cream);
    padding: 48px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    text-align: left;
    gap: 32px;
    flex: 1;
}

.product-tag {
    display: inline-block;
    background: transparent;
    color: var(--black);
    padding: 12px 32px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 700;
    align-self: flex-start;
    border: 2px solid var(--black);
}

.product-title {
    font-size: 32px;
    line-height: 1.3;
    color: var(--black);
    margin: 0;
}

.product-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
    width: 100%;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
    border: 2px solid var(--black);
    border-radius: 24px;
    background: #F5F4F2;
    width: 100%;
}

.detail-left {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-width: 120px;
}

.detail-label {
    font-weight: 700;
    font-size: 16px;
    color: var(--black);
    letter-spacing: 0.01em;
}

.detail-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--black);
    border-radius: 50%;
    flex-shrink: 0;
}

.detail-icon svg {
    width: 28px;
    height: 28px;
    stroke: #F5F4F2 !important;
    fill: none;
}

.detail-text {
    font-size: 16px;
    line-height: 1.5;
    color: var(--black);
}

.detail-text strong {
    color: var(--black);
    font-weight: 700;
}

.detail-lines {
	display: flex;
	flex-direction: column;
	gap: 12px;
	width: 100%;
}

.detail-line {
	display: flex;
	align-items: center;
	gap: 10px;
	color: var(--black);
}

.detail-line .line-icon {
	width: 22px;
	height: 22px;
	display: inline-block;
	flex-shrink: 0;
}

.detail-line .line-icon svg {
	stroke: var(--black) !important;
	fill: var(--black) !important;
}

.detail-line span {
	font-size: 16px;
	line-height: 1.5;
}

.download-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: var(--black);
    color: #F5F4F2;
    border: none;
    padding: 16px 32px;
    border-radius: 32px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s;
    align-self: center;
}

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

.project-navigation-container {
    background: var(--cream);
    padding: 32px 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    gap: auto;
}

.prev-product {
    flex: 0 0 auto;
    text-align: left;
}

.next-product {
    flex: 0 0 auto;
    text-align: right;
    margin-left: auto;
}

.prev-product a,
.next-product a {
    color: var(--black);
    text-decoration: none;
    font-size: 18px;
    font-weight: 600;
    transition: color 0.2s;
}

.prev-product a:hover,
.next-product a:hover {
    color: var(--accent);
}

@media (max-width: 1200px) {
    .product-content {
        flex-direction: column;
    }
    
    .product-image {
        min-height: 400px;
    }
}

@media (max-width: 768px) {
    .top-nav {
        height: auto;
        padding: 16px 24px;
        flex-direction: column;
        gap: 16px;
    }
    
    .nav-links {
        gap: 20px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .product-info {
        padding: 32px 24px;
    }
    
    .product-title {
        font-size: 20px;
    }
}