/* Apple Watch Product Page - Clean White Design */

body {
    background: #fff;
    color: #000;
    overflow-x: hidden;
}

/* Watch Hero */
.watch-hero {
    padding: 150px 0 100px;
    background: #fff;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 100px;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-title {
    font-size: 6em;
    font-weight: 700;
    color: #000;
    margin-bottom: 30px;
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-size: 1.8em;
    color: #1d1d1f;
    margin-bottom: 50px;
    font-weight: 400;
    line-height: 1.5;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.watch-btn {
    padding: 18px 45px;
    border-radius: 30px;
    text-decoration: none;
    font-size: 1.1em;
    font-weight: 600;
    transition: all 0.4s;
    background: #000;
    color: #fff;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.watch-btn:hover {
    background: #1d1d1f;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.watch-btn.outline {
    background: transparent;
    border: 2px solid #000;
    color: #000;
    box-shadow: none;
}

.watch-btn.outline:hover {
    background: #000;
    color: #fff;
}

.hero-watch {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.watch-ring {
    position: absolute;
    width: 400px;
    height: 400px;
    border: 3px solid #f5f5f7;
    border-radius: 50%;
    animation: ring-rotate 20s linear infinite;
}

@keyframes ring-rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.watch-image {
    max-width: 100%;
    height: auto;
    max-height: 500px;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.15));
    position: relative;
    z-index: 2;
    animation: watch-pulse 4s ease-in-out infinite;
}

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

/* Features */
.watch-features {
    padding: 150px 0;
    background: #f5f5f7;
}

.features-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.section-title {
    font-size: 4.5em;
    font-weight: 700;
    text-align: center;
    margin-bottom: 80px;
    color: #000;
    letter-spacing: -0.02em;
}

.features-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.feature-card {
    background: #fff;
    padding: 60px 40px;
    border-radius: 30px;
    text-align: center;
    transition: all 0.4s;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 4em;
    margin-bottom: 30px;
    display: inline-block;
    animation: icon-bounce 2s ease-in-out infinite;
}

@keyframes icon-bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.feature-card h3 {
    font-size: 1.8em;
    color: #000;
    margin-bottom: 15px;
    font-weight: 600;
}

.feature-card p {
    font-size: 1.1em;
    color: #1d1d1f;
    line-height: 1.6;
}

/* Specs */
.watch-specs {
    padding: 150px 0;
    background: #fff;
}

.specs-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.spec-card {
    background: #f5f5f7;
    padding: 50px 40px;
    border-radius: 25px;
    text-align: center;
    transition: all 0.4s;
}

.spec-card:hover {
    transform: translateY(-5px);
    background: #e8e8ed;
}

.spec-card h4 {
    font-size: 1.5em;
    color: #000;
    margin-bottom: 15px;
    font-weight: 600;
}

.spec-card p {
    font-size: 1.2em;
    color: #1d1d1f;
    line-height: 1.5;
}

/* Feature Image Box */
.feature-image-box {
    width: 150px;
    height: 150px;
    margin: 0 auto 20px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-image-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.feature-card:hover .feature-image-box img {
    transform: scale(1.1);
}

/* Premium Vertical Showcase Gallery */
.watch-gallery {
    padding: 0;
    background: #fff;
    min-height: 100vh;
    position: relative;
}

.gallery-premium-container {
    display: flex;
    min-height: 100vh;
    position: relative;
}

.gallery-sidebar {
    width: 350px;
    background: linear-gradient(180deg, #0071e3 0%, #0051a3 100%);
    padding: 80px 50px;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
    box-shadow: 4px 0 30px rgba(0, 0, 0, 0.1);
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.3) transparent;
}

.gallery-sidebar::-webkit-scrollbar {
    width: 6px;
}

.gallery-sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.gallery-sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
}

.gallery-sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}

.gallery-title {
    font-size: 3.5em;
    font-weight: 700;
    color: #fff;
    margin-bottom: 80px;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px 25px;
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateX(10px);
}

.nav-item.active {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.nav-number {
    font-size: 1.2em;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.7);
    min-width: 40px;
}

.nav-item.active .nav-number {
    color: #fff;
}

.nav-label {
    font-size: 1.1em;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 0.5px;
}

.nav-item.active .nav-label {
    color: #fff;
}

.gallery-main {
    flex: 1;
    position: relative;
    max-width: calc(100% - 350px);
    margin-left: auto;
}

.showcase-item {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 100px 0;
    position: relative;
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 1s cubic-bezier(0.25, 0.46, 0.45, 0.94), 
                transform 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    pointer-events: none;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    max-width: 1400px;
    margin: 0 auto;
    padding-left: 100px;
    padding-right: 100px;
    gap: 80px;
}

.showcase-item:last-child {
    border-bottom: none;
}

.showcase-item.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.showcase-image {
    flex: 0 0 45%;
    max-width: 600px;
    min-width: 500px;
    position: relative;
    z-index: 2;
}

.showcase-image {
    position: relative;
}

.showcase-image::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(0, 113, 227, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 1s ease;
    z-index: -1;
}

.showcase-item.active .showcase-image::before {
    opacity: 1;
}

.showcase-image img {
    width: 100%;
    height: auto;
    display: block;
    filter: drop-shadow(0 30px 80px rgba(0, 0, 0, 0.2));
    transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275),
                filter 0.8s ease;
}

.showcase-item.active .showcase-image img {
    transform: scale(1);
    filter: drop-shadow(0 40px 100px rgba(0, 0, 0, 0.3));
}

.showcase-info {
    flex: 0 0 45%;
    max-width: 550px;
    position: relative;
    z-index: 2;
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 1s ease 0.3s, transform 1s ease 0.3s;
}

.showcase-item.active .showcase-info {
    opacity: 1;
    transform: translateX(0);
}

.showcase-number {
    font-size: 1.5em;
    font-weight: 700;
    color: #0071e3;
    display: block;
    margin-bottom: 30px;
    letter-spacing: 2px;
}

.showcase-title {
    font-size: 4.5em;
    font-weight: 700;
    color: #000;
    margin-bottom: 30px;
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.showcase-description {
    font-size: 1.4em;
    color: #1d1d1f;
    line-height: 1.8;
    font-weight: 400;
}

.showcase-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(0, 113, 227, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.8s ease;
}

.showcase-item.active::before {
    opacity: 1;
}

/* Detailed Features Section */
.watch-detailed-features {
    padding: 150px 0;
    background: #f5f5f7;
}

.detailed-features-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

.feature-row {
    display: flex;
    align-items: center;
    gap: 80px;
    margin-bottom: 150px;
}

.feature-row.reverse {
    flex-direction: row-reverse;
}

.feature-row:last-child {
    margin-bottom: 0;
}

.feature-image-large {
    flex: 1;
    position: relative;
    overflow: hidden;
    border-radius: 30px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    transition: transform 0.4s ease;
}

.feature-image-large:hover {
    transform: scale(1.02);
}

.feature-image-large img {
    width: 100%;
    height: auto;
    display: block;
}

.feature-text-large {
    flex: 1;
}

.feature-text-large h2 {
    font-size: 3.5em;
    font-weight: 700;
    color: #000;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.feature-text-large h3 {
    font-size: 2em;
    font-weight: 400;
    color: #1d1d1f;
    margin-bottom: 30px;
}

.feature-text-large p {
    font-size: 1.2em;
    color: #1d1d1f;
    line-height: 1.8;
    margin-bottom: 30px;
}

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

.feature-list li {
    font-size: 1.1em;
    color: #1d1d1f;
    padding: 15px 0;
    padding-left: 30px;
    position: relative;
    line-height: 1.6;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #0071e3;
    font-weight: 700;
    font-size: 1.2em;
}

/* CTA */
.watch-cta {
    padding: 150px 0;
    background: #f5f5f7;
    text-align: center;
}

.cta-wrapper {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 40px;
}

.cta-wrapper h2 {
    font-size: 4.5em;
    font-weight: 700;
    color: #000;
    margin-bottom: 30px;
    letter-spacing: -0.02em;
}

.cta-wrapper p {
    font-size: 1.5em;
    color: #1d1d1f;
    margin-bottom: 50px;
    line-height: 1.6;
}

.cta-button {
    display: inline-block;
    padding: 20px 50px;
    border-radius: 30px;
    text-decoration: none;
    font-size: 1.2em;
    font-weight: 600;
    background: #000;
    color: #fff;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.4s;
}

.cta-button:hover {
    background: #1d1d1f;
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

/* Responsive */
@media screen and (max-width: 1024px) {
    .hero-container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-title {
        font-size: 4.5em;
    }
    
    .features-list {
        grid-template-columns: 1fr;
    }
    
    .specs-grid {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 768px) {
    .watch-hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 3.5em;
    }
    
    .hero-subtitle {
        font-size: 1.4em;
    }
    
    .section-title {
        font-size: 3em;
    }
    
    .cta-wrapper h2 {
        font-size: 3em;
    }
    
    .gallery-premium-container {
        flex-direction: column;
    }
    
    .gallery-sidebar {
        width: 100%;
        height: auto;
        position: relative;
        padding: 60px 40px;
        background: linear-gradient(180deg, #0071e3 0%, #0051a3 100%);
    }
    
    .gallery-title {
        font-size: 2.5em;
        margin-bottom: 40px;
        text-align: center;
    }
    
    .sidebar-nav {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 15px;
        justify-content: center;
    }
    
    .nav-item {
        flex: 1;
        min-width: 150px;
        max-width: 200px;
        padding: 15px 20px;
    }
    
    .nav-item:hover {
        transform: translateY(-5px);
    }
    
    .gallery-main {
        max-width: 100%;
        margin-left: 0;
    }
    
    .showcase-item {
        flex-direction: column;
        padding: 60px 40px;
        min-height: auto;
        padding-left: 40px;
        padding-right: 40px;
        max-width: 100%;
        justify-content: center;
    }
    
    .showcase-image {
        max-width: 100%;
        min-width: auto;
        margin-right: 0;
        margin-bottom: 40px;
        flex: 0 0 auto;
    }
    
    .showcase-info {
        max-width: 100%;
        padding-left: 0;
        text-align: center;
        flex: 0 0 auto;
    }
    
    .showcase-title {
        font-size: 3em;
    }
    
    .showcase-description {
        font-size: 1.2em;
    }
    
    .feature-row {
        flex-direction: column !important;
        gap: 40px;
        margin-bottom: 100px;
    }
    
    .feature-text-large h2 {
        font-size: 2.5em;
    }
    
    .feature-text-large h3 {
        font-size: 1.5em;
    }
}