:root {
    --primary: #2563EB; /* Blue */
    --primary-light: #60A5FA;
    --primary-alt: #1D4ED8;
    --secondary: #10B981; /* Green */
    --accent: #F59E0B; /* Orange */
    --bg-light: #FFFFFF;
    --bg-card: #F8FAFC;
    --text-main: #0F172A;
    --text-muted: #64748B;
    --success: #10B981;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-light);
    color: var(--text-main);
    overflow-x: hidden;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 100px 0;
}

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

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 50px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.navbar .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.2rem;
}

.navbar .logo img {
    height: 35px;
    border-radius: 8px;
}

.nav-links a {
    margin-left: 30px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: color 0.3s;
}

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

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 100vh;
    padding: 120px 50px 0;
    max-width: 1300px;
    margin: 0 auto;
}

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

.offer-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(245, 158, 11, 0.1));
    border: 1px solid rgba(37, 99, 235, 0.2);
    color: var(--primary);
    padding: 8px 16px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.1);
    animation: pulse-glow 2s infinite;
}

.offer-badge i {
    color: var(--primary);
}

@keyframes pulse-glow {
    0% { box-shadow: 0 0 0 0 rgba(124, 58, 237, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(124, 58, 237, 0); }
    100% { box-shadow: 0 0 0 0 rgba(124, 58, 237, 0); }
}

.hero-content h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-content h1 span {
    background: linear-gradient(135deg, var(--primary), var(--secondary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    line-height: 1.6;
}

/* 3D Phone Showcase Animations */
.hero-image-container {
    flex: 1;
    display: flex;
    justify-content: center;
    perspective: 1200px;
    padding-left: 20px;
}

.phone-showcase {
    position: relative;
    width: 380px;
    height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    transform-style: preserve-3d;
    animation: floating-phones 6s ease-in-out infinite;
}

.phone-layer {
    position: absolute;
    width: 300px;
    border-radius: 40px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.1), 0 0 40px rgba(37, 99, 231, 0.1);
    border: 8px solid #FFFFFF;
    background: #FFFFFF;
    overflow: hidden;
    transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1), box-shadow 0.6s ease, filter 0.6s ease;
}

.phone-layer img {
    width: 100%;
    display: block;
}

.main-phone {
    z-index: 3;
    transform: translateZ(50px);
}

.bg-phone-left {
    z-index: 1;
    transform: translateX(-140px) translateZ(-150px) rotateY(15deg) scale(0.85);
    opacity: 0.5;
    filter: blur(2px) brightness(0.6);
}

.bg-phone-right {
    z-index: 2;
    transform: translateX(140px) translateZ(-150px) rotateY(-15deg) scale(0.85);
    opacity: 0.5;
    filter: blur(2px) brightness(0.6);
}

.phone-showcase:hover .bg-phone-left {
    transform: translateX(-190px) translateZ(-80px) rotateY(10deg) scale(0.9);
    opacity: 0.8;
    filter: blur(1px) brightness(0.9);
    box-shadow: -20px 20px 40px rgba(0, 184, 148, 0.2);
}

.phone-showcase:hover .bg-phone-right {
    transform: translateX(190px) translateZ(-80px) rotateY(-10deg) scale(0.9);
    opacity: 0.8;
    filter: blur(1px) brightness(0.9);
    box-shadow: 20px 20px 40px rgba(108, 92, 231, 0.2);
}

.phone-showcase:hover .main-phone {
    transform: translateZ(90px) scale(1.02);
    box-shadow: 0 40px 80px rgba(108, 92, 231, 0.5), 0 0 60px rgba(0, 184, 148, 0.3);
}

@keyframes floating-phones {
    0% { transform: translateY(0px) rotateX(2deg) rotateY(0deg); }
    50% { transform: translateY(-20px) rotateX(-2deg) rotateY(3deg); }
    100% { transform: translateY(0px) rotateX(2deg) rotateY(0deg); }
}

/* Buttons */
.download-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.download-buttons.center {
    justify-content: center;
}

.btn {
    padding: 15px 25px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(transparent, var(--secondary), var(--primary), var(--accent), transparent 50%);
    animation: rotate-border 2.5s linear infinite;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -2;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 2px;
    border-radius: 48px;
    z-index: -1;
}

.btn:hover::before {
    opacity: 1;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}
.btn-primary::after {
    background: var(--primary);
}
.btn-primary:hover {
    background: var(--primary-alt);
    transform: translateY(-3px);
}

.btn-secondary {
    background: var(--secondary);
    color: white;
    border: 1px solid var(--secondary);
    box-shadow: 0 10px 20px rgba(16, 185, 129, 0.2);
}
.btn-secondary::after {
    background: var(--secondary);
}

.btn-secondary:hover {
    background: var(--secondary);
    opacity: 0.9;
    transform: translateY(-3px);
}

.btn-disabled {
    background: rgba(255,255,255,0.05);
    color: var(--text-muted);
    cursor: not-allowed;
    border: 1px dashed rgba(255,255,255,0.2);
}
.btn-disabled::after {
    background: #F1F5F9;
}
.btn-disabled:hover {
    border-color: transparent;
    transform: translateY(-2px);
}

.badge {
    font-size: 0.7rem;
    padding: 3px 8px;
    border-radius: 12px;
    margin-left: 8px;
    font-weight: 700;
}
.badge-soon {
    background: rgba(255,255,255,0.2);
    color: #cbd5e1;
}
.badge-avail {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
}

/* Features Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.feature-card {
    background: var(--bg-card);
    padding: 40px 30px;
    border-radius: 20px;
    border: 1px solid rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(transparent, var(--primary), var(--secondary), var(--accent), transparent 50%);
    animation: rotate-border 2.5s linear infinite;
    opacity: 0;
    transition: opacity 0.5s ease;
    z-index: -2;
}

.feature-card::after {
    content: '';
    position: absolute;
    inset: 2px;
    background: linear-gradient(135deg, var(--bg-card), #FFFFFF);
    border-radius: 18px;
    z-index: -1;
}

/* Specific Feature Card Tinting for UI Enhancement */
.feature-card:nth-child(1)::after { background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), #FFFFFF); } /* Blue */
.feature-card:nth-child(2)::after { background: linear-gradient(135deg, rgba(16, 185, 129, 0.05), #FFFFFF); } /* Green */
.feature-card:nth-child(3)::after { background: linear-gradient(135deg, rgba(245, 158, 11, 0.05), #FFFFFF); } /* Orange */
.feature-card:nth-child(4)::after { background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), #FFFFFF); } /* Blue */
.feature-card:nth-child(5)::after { background: linear-gradient(135deg, rgba(16, 185, 129, 0.05), #FFFFFF); } /* Green */
.feature-card:nth-child(6)::after { background: linear-gradient(135deg, rgba(245, 158, 11, 0.05), #FFFFFF); } /* Orange */
.feature-card:nth-child(7)::after { background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), #FFFFFF); } /* Blue */
.feature-card:nth-child(8)::after { background: linear-gradient(135deg, rgba(16, 185, 129, 0.05), #FFFFFF); } /* Green */

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(99, 102, 241, 0.2);
    border-color: transparent;
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.feature-card p {
    color: var(--text-muted);
    line-height: 1.5;
}

/* Showcase Section */
.showcase-flex {
    display: flex;
    align-items: center;
    gap: 60px;
}

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

.showcase-content {
    flex: 1;
}

.showcase-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.showcase-content p {
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.showcase-content ul {
    list-style: none;
}

.showcase-content ul li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1.1rem;
}

.showcase-content ul li i {
    color: var(--success);
    font-size: 1.2rem;
}

.showcase-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.showcase-image img {
    max-width: 350px;
    border-radius: 40px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.4);
}

/* How It Works */
.how-it-works {
    background: #F8FAFC;
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.step-box {
    padding: 40px 30px 30px 30px;
    position: relative;
    border: 1px dashed rgba(255,255,255,0.1);
    border-radius: 20px;
    background: rgba(30, 41, 59, 0.4);
    transition: transform 0.3s, border-color 0.3s;
    overflow: hidden;
    z-index: 1;
    margin-top: 25px;
}

.step-box::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(transparent, var(--secondary), var(--primary-light), var(--primary), transparent 50%);
    animation: rotate-border 2.5s linear infinite;
    opacity: 0;
    transition: opacity 0.5s ease;
    z-index: -2;
}

.step-box::after {
    content: '';
    position: absolute;
    inset: 2px;
    background: #FFFFFF;
    border-radius: 18px;
    z-index: -1;
}

.step-box:hover {
    transform: translateY(-8px);
    border-color: transparent;
    box-shadow: 0 20px 50px rgba(236, 72, 153, 0.2);
}

.step-box:hover::before {
    opacity: 1;
}

.step-num {
    position: absolute;
    top: -25px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.4);
    z-index: 2;
}

.step-box h3 {
    margin-top: 20px;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.step-box p {
    color: var(--text-muted);
    line-height: 1.6;
}

/* FAQ */
.faq-list {
    max-width: 800px;
    margin: 50px auto 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.faq-item {
    background: var(--bg-card);
    padding: 25px 30px;
    border-radius: 15px;
    border-left: 4px solid var(--primary);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.faq-item h4 {
    font-size: 1.15rem;
    margin-bottom: 12px;
    color: var(--text-main);
}

.faq-item p {
    color: var(--text-muted);
    line-height: 1.6;
}

/* Footer */
footer {
    border-top: 1px solid rgba(0,0,0,0.05);
    padding: 40px 50px;
    background: #F8FAFC;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.footer-content .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
}

.footer-links a {
    color: var(--text-muted);
    margin-left: 20px;
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--text-main);
}

.credits {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 20px;
}

/* Animations */
@keyframes rotate-border {
    100% { transform: rotate(360deg); }
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

.float-anim {
    animation: float 6s ease-in-out infinite;
}

.fade-in-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }

/* Hamburger Menu */
.hamburger {
    display: none;
    cursor: pointer;
    width: 30px;
    height: 24px;
    position: relative;
    z-index: 101; /* Above mobile menu */
}

.hamburger .bar {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--text-main);
    border-radius: 3px;
    position: absolute;
    transition: all 0.3s ease-in-out;
}

.hamburger .bar:nth-child(1) { top: 0; }
.hamburger .bar:nth-child(2) { top: 10px; }
.hamburger .bar:nth-child(3) { top: 20px; }

.hamburger.active .bar:nth-child(1) {
    top: 10px;
    transform: rotate(45deg);
}

.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}

.hamburger.active .bar:nth-child(3) {
    top: 10px;
    transform: rotate(-45deg);
}

/* Responsive */
@media (max-width: 900px) {
    .hero, .showcase-flex {
        flex-direction: column;
        text-align: center;
        padding-top: 120px;
    }
    .hero-content {
        margin-bottom: 40px;
    }
    .hero-content h1 {
        font-size: 2.8rem;
    }
    .download-buttons {
        justify-content: center;
    }
    .showcase-content ul {
        display: inline-block;
        text-align: left;
    }
    .navbar {
        padding: 15px 25px;
    }
    
    /* Mobile Menu Styles */
    .hamburger {
        display: block;
    }
    
    .nav-links {
        position: absolute;
        top: -500px;
        left: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(15px);
        width: 100%;
        height: auto;
        padding: 90px 20px 30px;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        gap: 25px;
        transition: top 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
        display: flex;
        z-index: -1;
        border-radius: 0 0 20px 20px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
    }
    
    .nav-links.active {
        top: 0;
    }
    
    .nav-links a {
        margin: 0;
        font-size: 1.2rem;
    }

    /* Fix 3D Phone Showcase for Tablets */
    .hero-image-container {
        padding-left: 0;
        transform: scale(0.8);
        margin-top: 20px;
    }
}

@media (max-width: 600px) {
    .hero-content h1 {
        font-size: 2.2rem;
    }
    .hero-content p {
        font-size: 1rem;
    }
    
    /* Fix 3D Phone Showcase for Mobile */
    .hero-image-container {
        transform: scale(0.55);
        margin-top: -50px;
        height: 450px;
        align-items: flex-start;
    }
    
    .phone-showcase {
        width: 300px;
        height: 550px;
    }
    
    .phone-layer {
        width: 250px;
    }
    
    .bg-phone-left {
        transform: translateX(-100px) translateZ(-150px) rotateY(15deg) scale(0.85);
    }
    
    .bg-phone-right {
        transform: translateX(100px) translateZ(-150px) rotateY(-15deg) scale(0.85);
    }

    .showcase-content h2 {
        font-size: 2rem;
    }
    
    .showcase-image img {
        max-width: 100%;
        padding: 0 20px;
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn {
        justify-content: center;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 20px;
    }
    
    .footer-links {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .footer-links a {
        margin-left: 0;
    }
}