/* ===== CSS Variables ===== */
:root {
    --primary: #FF6B35;
    --primary-dark: #E55A2B;
    --secondary: #FFD166;
    --accent: #06D6A0;
    --dark: #1A1A2E;
    --dark-light: #16213E;
    --light: #F8F9FA;
    --gray: #6C757D;
    --gray-light: #ADB5BD;
    --white: #FFFFFF;
    --gradient-primary: linear-gradient(135deg, #FF6B35 0%, #FFD166 100%);
    --gradient-dark: linear-gradient(135deg, #1A1A2E 0%, #16213E 100%);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.16);
    --shadow-glow: 0 0 40px rgba(255, 107, 53, 0.3);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 50px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--light);
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ===== Navigation ===== */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

nav.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--dark);
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.logo-text {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 1.25rem;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--gray);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

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

.nav-links a:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
    background: none;
    border: none;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--dark);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md), var(--shadow-glow);
}

.btn-dark {
    background: var(--dark);
    color: var(--white);
}

.btn-dark:hover {
    background: var(--dark-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--dark);
    border: 2px solid var(--dark);
}

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

/* ===== Nav Right Section ===== */
.nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-cta-btn {
    white-space: nowrap;
}

/* ===== Language Switcher (Desktop) ===== */
.lang-switcher {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    background: var(--light);
    border: none;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--dark);
    cursor: pointer;
    transition: all 0.3s ease;
}

.lang-btn:hover {
    background: var(--gray-light);
}

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 150px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    overflow: hidden;
}

.lang-switcher:hover .lang-dropdown,
.lang-switcher.open .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-dropdown a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    text-decoration: none;
    color: var(--dark);
    font-size: 0.875rem;
    transition: background 0.2s ease;
}

.lang-dropdown a:hover {
    background: var(--light);
}

.lang-dropdown a.active {
    background: rgba(255, 107, 53, 0.1);
    color: var(--primary);
    font-weight: 600;
}

/* ===== Mobile Menu ===== */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    z-index: 998;
    padding: 6rem 2rem 2rem;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-nav-links {
    list-style: none;
    margin-bottom: 2rem;
}

.mobile-nav-links li {
    border-bottom: 1px solid var(--light);
}

.mobile-nav-links a {
    display: block;
    padding: 1rem 0;
    text-decoration: none;
    color: var(--dark);
    font-size: 1.125rem;
    font-weight: 500;
}

.mobile-lang-switcher {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.mobile-lang-switcher a {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 1rem;
    background: var(--light);
    border-radius: var(--radius-full);
    text-decoration: none;
    color: var(--dark);
    font-size: 0.875rem;
    font-weight: 500;
}

.mobile-lang-switcher a.active {
    background: var(--gradient-primary);
    color: var(--white);
}

.btn-block {
    width: 100%;
    text-align: center;
    margin-top: auto;
}

/* Mobile Menu Button Animation */
.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 2rem 4rem;
    background: linear-gradient(180deg, #FFF8F5 0%, var(--light) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 150%;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    width: 100%;
}

.hero-content {
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--white);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary);
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.5rem;
}

.hero-badge span {
    background: var(--accent);
    color: var(--white);
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray);
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 3rem;
}

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

.stat-number {
    font-family: 'Poppins', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    color: var(--dark);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    width: 280px;
    height: 580px;
    background: var(--dark);
    border-radius: 40px;
    padding: 12px;
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 2;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--white);
    border-radius: 32px;
    overflow: hidden;
}

.app-preview {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.preview-header {
    background: var(--gradient-primary);
    padding: 1rem;
    color: var(--white);
    font-weight: 600;
    text-align: center;
}

.preview-content {
    flex: 1;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background: #f5f5f5;
}

.meme-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 2rem;
    text-align: center;
    font-size: 3rem;
    box-shadow: var(--shadow-sm);
    animation: float 3s ease-in-out infinite;
}

.meme-card:nth-child(2) {
    animation-delay: 0.5s;
}

.meme-card:nth-child(3) {
    animation-delay: 1s;
}

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

.floating-emoji {
    position: absolute;
    font-size: 3rem;
    animation: floatEmoji 4s ease-in-out infinite;
    z-index: 1;
}

.emoji-1 {
    top: 10%;
    left: 0;
    animation-delay: 0s;
}

.emoji-2 {
    top: 50%;
    right: 0;
    animation-delay: 1s;
}

.emoji-3 {
    bottom: 10%;
    left: 10%;
    animation-delay: 2s;
}

@keyframes floatEmoji {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(10deg); }
}

/* ===== Section Styles ===== */
section {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-badge {
    display: inline-block;
    background: rgba(255, 107, 53, 0.1);
    color: var(--primary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--dark);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Features Section ===== */
.features {
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-card {
    background: var(--light);
    padding: 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--dark);
}

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

/* ===== How It Works ===== */
.how-it-works {
    background: var(--gradient-dark);
    color: var(--white);
}

.how-it-works .section-badge {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
}

.how-it-works .section-header h2 {
    color: var(--white);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
}

.step {
    text-align: center;
    position: relative;
}

.step::after {
    content: '→';
    position: absolute;
    right: -1.5rem;
    top: 2rem;
    font-size: 2rem;
    color: var(--primary);
}

.step:last-child::after {
    display: none;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
}

.step h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

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

/* ===== Categories ===== */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.category-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    cursor: pointer;
}

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.category-emoji {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 0.75rem;
}

.category-card h4 {
    font-size: 1rem;
    color: var(--dark);
}

/* ===== Testimonials ===== */
.testimonials {
    background: var(--light);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.testimonial-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.stars {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.testimonial-card p {
    font-size: 1rem;
    color: var(--dark);
    margin-bottom: 1.5rem;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    color: var(--dark);
}

.author-platform {
    font-size: 0.875rem;
    color: var(--gray);
}

/* ===== Download Section ===== */
.download {
    background: var(--gradient-primary);
    text-align: center;
    color: var(--white);
}

.download-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.download-content p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.store-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--dark);
    color: var(--white);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all 0.3s ease;
}

.store-btn:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.store-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.store-text span {
    font-size: 0.75rem;
    opacity: 0.8;
}

.store-text strong {
    font-size: 1.125rem;
}

/* ===== FAQ Section ===== */
.faq {
    background: var(--white);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--light);
    padding: 1.5rem;
    border-radius: var(--radius-md);
}

.faq-item h4 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--dark);
}

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

/* ===== Footer ===== */
footer {
    background: var(--dark);
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    color: var(--gray-light);
    margin: 1rem 0;
    font-size: 0.95rem;
}

.footer-brand .logo {
    color: var(--white);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--primary);
}

.footer-links h4 {
    font-size: 1rem;
    margin-bottom: 1.5rem;
    color: var(--white);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--gray-light);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    color: var(--gray-light);
    font-size: 0.875rem;
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        order: 1;
    }

    .hero-visual {
        order: 2;
        margin-top: 2rem;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .steps-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .step::after {
        display: none;
    }

    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    /* Navigation */
    .nav-links {
        display: none;
    }

    .nav-right {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
        z-index: 1001;
    }

    .nav-container {
        padding: 0.75rem 1rem;
    }

    .logo-text {
        font-size: 1.1rem;
    }

    /* Hero */
    .hero {
        padding: 5rem 1rem 2rem;
        min-height: auto;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-badge {
        font-size: 0.75rem;
        padding: 0.375rem 0.75rem;
    }

    .hero-stats {
        flex-direction: row;
        gap: 1rem;
        flex-wrap: wrap;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .stat-label {
        font-size: 0.75rem;
    }

    .phone-mockup {
        width: 200px;
        height: 420px;
        border-radius: 30px;
        padding: 8px;
    }

    .phone-screen {
        border-radius: 24px;
    }

    .floating-emoji {
        font-size: 2rem;
    }

    /* Sections */
    section {
        padding: 3rem 0;
    }

    .container {
        padding: 0 1rem;
    }

    .section-header h2 {
        font-size: 1.5rem;
    }

    .section-header p {
        font-size: 0.95rem;
    }

    .section-badge {
        font-size: 0.75rem;
        padding: 0.375rem 0.75rem;
    }

    /* Features */
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .feature-card {
        padding: 1.5rem;
    }

    .feature-icon {
        font-size: 2rem;
    }

    .feature-card h3 {
        font-size: 1.1rem;
    }

    /* Steps */
    .steps-grid {
        gap: 1.5rem;
    }

    .step-number {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }

    /* Categories */
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .category-card {
        padding: 1rem;
    }

    .category-emoji {
        font-size: 2rem;
    }

    .category-card h4 {
        font-size: 0.875rem;
    }

    /* Testimonials */
    .testimonials-grid {
        gap: 1rem;
    }

    .testimonial-card {
        padding: 1.5rem;
    }

    /* Download */
    .download {
        padding: 3rem 0;
    }

    .download-content h2 {
        font-size: 1.5rem;
    }

    .download-content p {
        font-size: 0.95rem;
    }

    .download-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .store-btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    /* FAQ */
    .faq-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .faq-item {
        padding: 1.25rem;
    }

    .faq-item h4 {
        font-size: 1rem;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .social-links {
        justify-content: center;
    }

    .footer-links h4 {
        margin-bottom: 1rem;
    }

    .footer-bottom {
        padding-top: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.75rem;
    }

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
    }

    .btn-lg {
        width: 100%;
        justify-content: center;
        padding: 0.875rem 1.5rem;
    }

    .hero-stats {
        justify-content: space-around;
    }

    .phone-mockup {
        width: 180px;
        height: 380px;
    }

    .meme-card {
        padding: 1rem;
        font-size: 2rem;
    }

    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }

    .category-card {
        padding: 0.75rem;
    }

    .category-emoji {
        font-size: 1.5rem;
    }
}