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

/* ========================================
   POWER STAR APPS - LIGHT HOME DESIGN
   ======================================== */

:root {
    --black: #000000;
    --black-elevated: #0a0a0a;
    --black-card: #111111;
    --orange: #ff4d00;
    --orange-glow: rgba(255, 77, 0, 0.4);
    --orange-light: #fff4f0;
    --cyan: #00fff0;
    --cyan-glow: rgba(0, 255, 240, 0.3);
    --white: #ffffff;
    --gray: #666666;
    --gray-light: #999999;
    --gray-bg: #f5f5f7;
    --radius: 12px;
    --shadow: 0 4px 24px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 48px rgba(0,0,0,0.12);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Work Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--white);
    color: var(--black);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

::selection {
    background: var(--orange);
    color: var(--white);
}

/* ===== Typography ===== */
h1, h2, h3, h4 {
    font-family: 'Bebas Neue', sans-serif;
    font-weight: 400;
    letter-spacing: 0.02em;
}

h1 { font-size: clamp(3rem, 8vw, 5rem); line-height: 1; }
h2 { font-size: clamp(2rem, 5vw, 3rem); line-height: 1.1; }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.5rem;
    color: var(--black);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-star {
    color: var(--orange);
    font-size: 1.8rem;
}

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
    align-items: center;
}

.nav-links a {
    color: var(--gray);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s;
}

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

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 12px 0;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    display: block;
    padding: 10px 20px;
    color: var(--black);
}

.dropdown-menu a:hover {
    background: var(--gray-bg);
    color: var(--orange);
}

/* ===== Hero Section - Full Screen ===== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* Banner as full-screen background */
.banner-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease;
}

.banner-slide.active {
    opacity: 1;
}

.banner-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* Dark overlay for text readability */
.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(0,0,0,0.5) 0%,
        rgba(0,0,0,0.3) 50%,
        rgba(0,0,0,0.7) 100%
    );
    z-index: 2;
}

/* Hero content on top */
.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 800px;
    padding: 0 24px;
}

.hero h1 {
    margin-bottom: 24px;
    color: var(--white);
    text-shadow: 0 4px 24px rgba(0,0,0,0.3);
}

.hero h1 span {
    color: var(--orange);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255,255,255,0.9);
    margin-bottom: 40px;
    text-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

/* Banner dots - positioned at bottom */
.banner-dots {
    position: absolute;
    bottom: 120px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: center;
    gap: 12px;
    z-index: 3;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.dot:hover {
    background: rgba(255,255,255,0.6);
}

.dot.active {
    background: var(--orange);
    border-color: var(--white);
    transform: scale(1.2);
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    animation: bounce 2s infinite;
}

.scroll-indicator span {
    display: block;
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255,255,255,0.5);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--orange);
    border-radius: 2px;
    animation: scrollDown 1.5s infinite;
}

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

@keyframes scrollDown {
    0% { opacity: 1; top: 8px; }
    100% { opacity: 0; top: 20px; }
}

/* ===== Stats Section ===== */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 64px;
    padding: 48px 0;
    border-top: 1px solid rgba(0,0,0,0.05);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    margin-top: 48px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 3rem;
    color: var(--orange);
    display: block;
}

.stat-label {
    color: var(--gray);
    font-size: 0.9rem;
}

/* ===== Stats Section ===== */
.stats-section {
    background: var(--white);
    padding: 0;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 80px;
    padding: 48px 24px;
    border-bottom: 1px solid var(--gray-bg);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 3rem;
    color: var(--orange);
    display: block;
}

.stat-label {
    color: var(--gray);
    font-size: 0.9rem;
}

/* ===== Products Section ===== */
.products {
    padding: 80px 0;
    background: var(--white);
}

.products-header {
    text-align: center;
    margin-bottom: 48px;
}

.products-header h2 {
    margin-bottom: 16px;
}

.products-header p {
    color: var(--gray);
    font-size: 1.1rem;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

/* ===== Product Card ===== */
.product-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(0,0,0,0.1);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.1);
    text-decoration: none;
    color: inherit;
    display: block;
    position: relative;
    border: 1px solid rgba(0,0,0,0.06);
}

.product-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 24px 48px rgba(0,0,0,0.15);
}

.product-card-image-wrapper {
    overflow: hidden;
    background: linear-gradient(180deg, #1e1e2f 0%, #2d2d44 100%);
    padding: 30px 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 260px;
}

.product-card-image {
    width: auto;
    max-width: 100%;
    height: auto;
    max-height: 220px;
    object-fit: contain;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    filter: drop-shadow(0 15px 35px rgba(0,0,0,0.4));
    border-radius: 8px;
}

.product-card:hover .product-card-image {
    transform: scale(1.05) translateY(-5px);
}

.product-card-content {
    padding: 28px;
    background: var(--white);
}

.product-card-icon {
    width: 56px;
    height: 56px;
    margin-bottom: 16px;
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.product-card:hover .product-card-icon {
    transform: scale(1.15) rotate(8deg);
}

.product-card h3 {
    margin-bottom: 10px;
    font-size: 1.6rem;
    letter-spacing: 0.01em;
    color: #111;
}

.product-card p {
    color: #555;
    font-size: 0.95rem;
    margin-bottom: 18px;
    line-height: 1.65;
}

.product-card-stats {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.product-card-stats span {
    font-size: 0.85rem;
    color: #777;
    display: flex;
    align-items: center;
    gap: 4px;
}

.product-card-stats strong {
    color: #111;
    font-weight: 700;
    font-size: 0.95rem;
}

.product-card-cta {
    padding-top: 16px;
    border-top: 1px solid #eee;
}

.btn-card {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--orange);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.product-card:hover .btn-card {
    gap: 10px;
    color: #e64500;
}

/* ===== Product Theme Colors ===== */
.product-card[data-product="thermometer"] { 
    border-top: 4px solid #ff6b6b; 
}
.product-card[data-product="microphone"] { 
    border-top: 4px solid #a78bfa; 
}
.product-card[data-product="voice-changer"] { 
    border-top: 4px solid #f472b6; 
}
.product-card[data-product="lumiwall"] { 
    border-top: 4px solid #00c4b4; 
}
.product-card[data-product="ai-photo"] { 
    border-top: 4px solid #ff4d00; 
}

.product-card[data-product="thermometer"]:hover { 
    box-shadow: 0 20px 50px rgba(255, 107, 107, 0.2);
}
.product-card[data-product="microphone"]:hover { 
    box-shadow: 0 20px 50px rgba(167, 139, 250, 0.2);
}
.product-card[data-product="voice-changer"]:hover { 
    box-shadow: 0 20px 50px rgba(244, 114, 182, 0.2);
}
.product-card[data-product="lumiwall"]:hover { 
    box-shadow: 0 20px 50px rgba(0, 196, 180, 0.2);
}
.product-card[data-product="ai-photo"]:hover { 
    box-shadow: 0 20px 50px rgba(255, 77, 0, 0.2);
}

/* ===== Features Section ===== */
.features {
    padding: 80px 0;
    background: var(--gray-bg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 48px;
}

.feature-card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius);
    text-align: center;
}

.feature-card span {
    font-size: 3rem;
    display: block;
    margin-bottom: 16px;
}

.feature-card h3 {
    margin-bottom: 12px;
    font-size: 1.25rem;
}

.feature-card p {
    color: var(--gray);
    font-size: 0.95rem;
}

/* ===== CTA Section ===== */
.cta-section {
    padding: 80px 0;
    background: var(--black);
    color: var(--white);
    text-align: center;
}

.cta-section h2 {
    margin-bottom: 16px;
}

.cta-section p {
    color: var(--gray-light);
    margin-bottom: 32px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== Button ===== */
.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    background: var(--orange);
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    border-radius: var(--radius);
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.btn-download:hover {
    background: #e64500;
    transform: translateY(-2px);
}

.btn-download.primary {
    background: var(--orange);
    padding: 16px 32px;
    font-size: 1.1rem;
}

.btn-download.secondary {
    background: transparent;
    border: 2px solid var(--orange);
    color: var(--orange);
}

.btn-download.secondary:hover {
    background: var(--orange);
    color: var(--white);
}

/* ===== Footer ===== */
.footer {
    background: var(--gray-bg);
    padding: 64px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 64px;
    margin-bottom: 48px;
}

.footer-brand {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-brand p {
    font-family: 'Work Sans', sans-serif;
    font-size: 0.9rem;
    color: var(--gray);
    margin-top: 8px;
}

.footer-links {
    display: flex;
    gap: 48px;
}

.footer-column h4 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
    color: var(--gray);
}

.footer-column a {
    display: block;
    color: var(--black);
    text-decoration: none;
    padding: 6px 0;
    font-size: 0.95rem;
    transition: color 0.2s;
}

.footer-column a:hover {
    color: var(--orange);
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(0,0,0,0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: var(--gray);
    font-size: 0.9rem;
}

/* ===== Animations ===== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .nav-links { display: none; }
    
    .hero {
        min-height: 100svh;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .banner-dots {
        bottom: 100px;
    }
    
    .scroll-indicator {
        bottom: 30px;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 32px;
    }
    
    .products-grid { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr; }
    .footer-content { grid-template-columns: 1fr; gap: 32px; }
    .footer-links { flex-direction: column; gap: 24px; }
    .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
}

/* ===== Color Stripe ===== */
.color-stripe {
    height: 4px;
    background: linear-gradient(90deg, #ff6b6b 0%, #a78bfa 25%, #f472b6 50%, #00c4b4 75%, #ff4d00 100%);
    width: 100%;
}