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

:root {
    --plum-primary: #6633CC;
    --plum-primary-dark: #4A2599;
    --plum-primary-light: #9966FF;
    --plum-accent: #8B5CF6;
    --plum-gradient-start: #6633CC;
    --plum-gradient-end: #8B5CF6;
    --text-primary: #1A1A1A;
    --text-secondary: #6B7280;
    --bg-primary: #FFFFFF;
    --bg-secondary: #F9FAFB;
    --bg-card: #FFFFFF;
    --border-color: #E5E7EB;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

@media (prefers-color-scheme: dark) {
    :root {
        --text-primary: #F9FAFB;
        --text-secondary: #9CA3AF;
        --bg-primary: #111827;
        --bg-secondary: #1F2937;
        --bg-card: #1F2937;
        --border-color: #374151;
    }
}

html {
    scroll-behavior: smooth;
}

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

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

@media (prefers-color-scheme: dark) {
    .navbar {
        background: rgba(31, 41, 55, 0.8);
    }
}

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

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    color: var(--plum-primary);
    text-decoration: none;
}

.logo svg {
    color: var(--plum-primary);
}

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

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: color 0.3s ease;
}

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

.btn-download-nav {
    background: var(--plum-primary);
    color: white !important;
    padding: 8px 20px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.btn-download-nav:hover {
    background: var(--plum-primary-dark);
    transform: translateY(-1px);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* Language Switcher */
.lang-switcher {
    background: var(--plum-primary);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-left: 16px;
}

.lang-switcher:hover {
    background: var(--plum-primary-dark);
    transform: translateY(-1px);
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .lang-switcher {
        margin-left: 0;
        margin-top: 16px;
    }
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    padding-bottom: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float 20s infinite ease-in-out;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, var(--plum-primary), var(--plum-accent));
    top: -200px;
    left: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--plum-accent), #A78BFA);
    bottom: -150px;
    right: -150px;
    animation-delay: 5s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #A78BFA, var(--plum-primary-light));
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

.hero .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    animation: fadeInUp 0.8s ease-out;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: rgba(102, 51, 204, 0.1);
    border: 1px solid rgba(102, 51, 204, 0.2);
    border-radius: 20px;
    margin-bottom: 24px;
    font-size: 14px;
    font-weight: 500;
    color: var(--plum-primary);
}

.hero-badge svg {
    color: var(--plum-primary);
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.gradient-text {
    background: linear-gradient(135deg, var(--plum-primary), var(--plum-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    background: var(--plum-primary);
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.btn-primary:hover {
    background: var(--plum-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    background: var(--bg-card);
    color: var(--text-primary);
    text-decoration: none;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-secondary:hover {
    border-color: var(--plum-primary);
    color: var(--plum-primary);
    transform: translateY(-2px);
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 0.8s ease-out;
}

.phone-mockup {
    position: relative;
    width: 300px;
    height: 600px;
    background: linear-gradient(135deg, #1F2937, #111827);
    border-radius: 40px;
    padding: 20px;
    box-shadow: var(--shadow-xl);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    border-radius: 30px;
    overflow: hidden;
    position: relative;
}

.app-preview {
    padding: 20px;
    height: 100%;
}

.app-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.app-icon-small {
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--plum-primary);
}

.app-icon-small svg {
    width: 24px;
    height: 24px;
}

.app-title-small {
    font-weight: 700;
    font-size: 18px;
    color: var(--plum-primary);
}

.app-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.document-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: 12px;
    transition: transform 0.3s ease;
}

.document-card:hover {
    transform: translateX(4px);
}

.card-icon {
    font-size: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--plum-primary);
    flex-shrink: 0;
}

.card-icon svg {
    width: 32px;
    height: 32px;
}

.card-info {
    flex: 1;
}

.card-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.card-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
}

@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 42px;
    }
    
    .hero-description {
        font-size: 18px;
    }
    
    .hero-cta {
        justify-content: center;
    }
}

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

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

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-title {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.section-description {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--bg-card);
    padding: 32px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--plum-primary);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(102, 51, 204, 0.1), rgba(139, 92, 246, 0.1));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--plum-primary);
}

.feature-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Categories Section */
.categories {
    padding: 100px 0;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 24px;
}

.category-card {
    background: var(--bg-card);
    padding: 32px 24px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 51, 204, 0.05), rgba(139, 92, 246, 0.05));
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 0;
}

.category-card:hover {
    transform: translateY(-8px) scale(1.02) rotate(1deg);
    box-shadow: 0 20px 40px rgba(102, 51, 204, 0.3), 0 0 20px rgba(139, 92, 246, 0.2);
    border-color: var(--plum-primary);
    background: linear-gradient(135deg, rgba(102, 51, 204, 0.08), rgba(139, 92, 246, 0.08));
}

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

.category-card:hover .category-icon {
    transform: scale(1.2) rotate(-5deg);
    filter: drop-shadow(0 0 10px rgba(102, 51, 204, 0.5));
}

.category-icon {
    font-size: 48px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    z-index: 1;
    line-height: 1;
}

.category-card-special {
    border: 2px dashed var(--plum-primary);
    background: linear-gradient(135deg, rgba(102, 51, 204, 0.05), rgba(139, 92, 246, 0.05));
}

.category-card-special:hover {
    border-color: var(--plum-primary);
    background: linear-gradient(135deg, rgba(102, 51, 204, 0.15), rgba(139, 92, 246, 0.15));
    box-shadow: 0 20px 40px rgba(102, 51, 204, 0.4), 0 0 25px rgba(139, 92, 246, 0.3);
}

.category-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
    position: relative;
    z-index: 1;
}

.category-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
    position: relative;
    z-index: 1;
}

/* Security Section */
.security {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.security-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.security-text h2 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.security-description {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.security-features {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.security-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.security-item svg {
    color: var(--plum-primary);
    flex-shrink: 0;
    margin-top: 4px;
}

.security-item h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.security-item p {
    color: var(--text-secondary);
    font-size: 15px;
}

.security-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.security-shield {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, rgba(102, 51, 204, 0.1), rgba(139, 92, 246, 0.1));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--plum-primary);
    animation: pulse 3s infinite ease-in-out;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
}

@media (max-width: 968px) {
    .security-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .security-text {
        text-align: center;
    }
}

/* Download Section */
.download {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--plum-primary), var(--plum-accent));
    color: white;
    text-align: center;
}

.download-content h2 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
}

.download-content p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.download-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.app-store-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 600;
    position: relative;
    overflow: hidden;
}

.app-store-button:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.app-store-button svg {
    width: 32px;
    height: 32px;
}

.app-store-button div {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.button-label {
    font-size: 12px;
    opacity: 0.9;
}

.button-name {
    font-size: 20px;
    font-weight: 700;
}

.coming-soon {
    font-size: 14px;
    opacity: 0.8;
    font-style: italic;
}

/* Footer */
.footer {
    padding: 60px 0 30px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--text-secondary);
    margin-top: 12px;
}

.footer-column h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.footer-column a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 12px;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

/* Animations */
[data-aos] {
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-left"] {
    transform: translateX(30px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

[data-aos="zoom-in"] {
    transform: scale(0.9);
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
}

/* Ripple Effect */
.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: scale(0);
    animation: ripple-animation 0.6s ease-out;
    pointer-events: none;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Premium Section */
.premium {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    position: relative;
    overflow: hidden;
}

.premium-content {
    max-width: 1200px;
    margin: 0 auto;
}

.premium-header {
    text-align: center;
    margin-bottom: 80px;
}

.premium-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: linear-gradient(135deg, var(--plum-primary) 0%, var(--plum-accent) 100%);
    color: white;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
}

.premium-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-bottom: 80px;
}

.premium-feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.premium-feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--plum-primary-light);
}

.premium-feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--plum-primary) 0%, var(--plum-accent) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-bottom: 24px;
}

.premium-feature-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.premium-feature-card p {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-secondary);
}

.premium-why {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 60px;
    box-shadow: var(--shadow-md);
}

.premium-why-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.premium-why-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--plum-primary) 0%, var(--plum-accent) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin: 0 auto 32px;
}

.premium-why-content h3 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.premium-why-intro {
    font-size: 18px;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-weight: 500;
}

.premium-why-list {
    display: flex;
    flex-direction: column;
    gap: 32px;
    margin-bottom: 40px;
    text-align: left;
}

.premium-why-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.premium-why-item svg {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    color: var(--plum-primary);
    margin-top: 4px;
}

.premium-why-item h4 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.premium-why-item p {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-secondary);
}

.premium-why-footer {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-secondary);
    font-style: italic;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
}

@media (max-width: 768px) {
    .premium {
        padding: 80px 0;
    }
    
    .premium-header {
        margin-bottom: 48px;
    }
    
    .premium-features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
        margin-bottom: 48px;
    }
    
    .premium-feature-card {
        padding: 32px;
    }
    
    .premium-why {
        padding: 40px 24px;
    }
    
    .premium-why-content h3 {
        font-size: 24px;
    }
    
    .premium-why-intro {
        font-size: 16px;
    }
    
    .premium-why-list {
        gap: 24px;
    }
}

/* Mobile Menu */
@media (max-width: 768px) {
    .nav-links.mobile-open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-card);
        padding: 24px;
        border-top: 1px solid var(--border-color);
        box-shadow: var(--shadow-lg);
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
}