* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-mint: #B8E986;
    --secondary-blue: #5B7EFF;
    --accent-teal: #4ECDC4;
    --accent-green: #44CF9C;
    --coral: #FF7F7F;
    --dark-text: #2C2C2C;
    --gray-600: #6B7280;
    --gray-500: #9CA3AF;
    --gray-300: #E5E7EB;
    --gray-100: #F3F4F6;
    --white: #FFFFFF;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--dark-text);
    line-height: 1.6;
    overflow-x: hidden;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
}

/* Animated Background */
.animated-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(135deg, #f5f7fa 0%, #e8f5e9 50%, #e3f2fd 100%);
    overflow: hidden;
}

.particle {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(78, 205, 196, 0.3), rgba(78, 205, 196, 0));
    pointer-events: none;
    animation: float 20s infinite ease-in-out;
}

.particle:nth-child(1) {
    width: 150px;
    height: 150px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
    animation-duration: 25s;
}

.particle:nth-child(2) {
    width: 200px;
    height: 200px;
    top: 60%;
    left: 80%;
    animation-delay: 3s;
    animation-duration: 30s;
}

.particle:nth-child(3) {
    width: 100px;
    height: 100px;
    top: 80%;
    left: 20%;
    animation-delay: 5s;
    animation-duration: 22s;
}

.particle:nth-child(4) {
    width: 180px;
    height: 180px;
    top: 30%;
    left: 70%;
    animation-delay: 2s;
    animation-duration: 28s;
}

.particle:nth-child(5) {
    width: 120px;
    height: 120px;
    top: 50%;
    left: 5%;
    animation-delay: 7s;
    animation-duration: 24s;
}

.particle:nth-child(6) {
    width: 160px;
    height: 160px;
    top: 20%;
    left: 50%;
    animation-delay: 4s;
    animation-duration: 26s;
}

.particle:nth-child(7) {
    width: 140px;
    height: 140px;
    top: 70%;
    left: 60%;
    animation-delay: 6s;
    animation-duration: 23s;
}

.particle:nth-child(8) {
    width: 110px;
    height: 110px;
    top: 40%;
    left: 30%;
    animation-delay: 1s;
    animation-duration: 27s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.3;
    }
    25% {
        transform: translate(30px, -30px) scale(1.1);
        opacity: 0.5;
    }
    50% {
        transform: translate(-20px, 40px) scale(0.9);
        opacity: 0.4;
    }
    75% {
        transform: translate(40px, 20px) scale(1.05);
        opacity: 0.45;
    }
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
    position: relative;
    z-index: 1;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 48px;
    animation: fadeInDown 1s ease-out;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.header-auth {
    display: flex;
    align-items: center;
    gap: 16px;
}

.login-link {
    padding: 10px 24px;
    background: linear-gradient(135deg, var(--accent-teal), var(--accent-green));
    color: var(--white);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(78, 205, 196, 0.3);
}

.login-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(78, 205, 196, 0.4);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logout-link {
    padding: 8px 16px;
    background: transparent;
    border: 2px solid var(--gray-300);
    border-radius: 8px;
    color: var(--gray-600);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.logout-link:hover {
    border-color: var(--coral);
    color: var(--coral);
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.logo-icon {
    width: 64px;
    height: 64px;
    filter: drop-shadow(0 0 30px rgba(78, 205, 196, 0.3));
    animation: logoGlow 3s ease-in-out infinite;
}

@keyframes logoGlow {
    0%, 100% {
        filter: drop-shadow(0 0 20px rgba(78, 205, 196, 0.3));
    }
    50% {
        filter: drop-shadow(0 0 40px rgba(78, 205, 196, 0.5));
    }
}

.logo-text {
    font-family: 'Exo 2', sans-serif;
    font-size: 48px;
    font-weight: 800;
    font-style: italic;
    letter-spacing: -0.5px;
    color: var(--dark-text);
    background: linear-gradient(135deg, var(--accent-teal), var(--secondary-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    font-size: 20px;
    color: var(--gray-600);
    animation: fadeIn 1s ease-out 0.3s both;
    margin-bottom: 32px;
}

/* Hero Store Buttons */
.hero-store-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.5s both;
}

.store-button-hero {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 28px;
    background: var(--dark-text);
    color: var(--white);
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.3s ease;
    font-weight: 600;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.store-button-hero:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
    background: #1a1a1a;
}

.store-button-hero:active {
    transform: translateY(-1px) scale(1);
}

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

.store-button-hero .button-text .small {
    font-size: 11px;
    font-weight: 400;
    opacity: 0.8;
}

.store-button-hero .button-text .large {
    font-size: 17px;
    font-weight: 600;
}

/* Features Grid */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-bottom: 80px;
}

.feature-card {
    background: var(--white);
    border-radius: 16px;
    padding: 32px;
    border: 2px solid var(--gray-300);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    animation: fadeInUp 0.8s ease-out both;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-color);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
    border-color: var(--accent-color);
}

.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }
.feature-card:nth-child(4) { animation-delay: 0.4s; }
.feature-card:nth-child(5) { animation-delay: 0.5s; }
.feature-card:nth-child(6) { animation-delay: 0.6s; }

.card-icon {
    font-size: 48px;
    margin-bottom: 16px;
    display: inline-block;
    animation: bounce 2s infinite;
}

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

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

.feature-card p {
    color: var(--gray-600);
    font-size: 16px;
    line-height: 1.6;
}

/* CTA Section */
.cta-section {
    text-align: center;
    background: var(--white);
    border-radius: 24px;
    padding: 60px 40px;
    margin-bottom: 60px;
    border: 2px solid var(--gray-300);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    animation: fadeInUp 1s ease-out 0.5s both;
}

.cta-section h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--accent-teal), var(--accent-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-description {
    font-size: 18px;
    color: var(--gray-600);
    margin-bottom: 40px;
}

.store-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.store-button {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    background: var(--dark-text);
    color: var(--white);
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.3s ease;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.store-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    background: #1a1a1a;
}

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

.button-text .small {
    font-size: 12px;
    font-weight: 400;
    opacity: 0.8;
}

.button-text .large {
    font-size: 18px;
    font-weight: 600;
}

/* Footer */
.footer {
    text-align: center;
    padding: 40px 20px;
    color: var(--gray-600);
    animation: fadeIn 1s ease-out 0.8s both;
}

.footer-links {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 16px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--gray-600);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-top {
        flex-direction: column;
        gap: 20px;
    }

    .header-auth {
        width: 100%;
        justify-content: center;
    }

    .logo-text {
        font-size: 36px;
    }

    .tagline {
        font-size: 16px;
    }

    .hero-store-buttons {
        flex-direction: column;
        align-items: stretch;
        padding: 0 20px;
    }

    .store-button-hero {
        justify-content: center;
        width: 100%;
    }

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

    .cta-section {
        padding: 40px 24px;
    }

    .cta-section h2 {
        font-size: 28px;
    }

    .store-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .store-button {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 24px 16px;
    }

    .logo-icon {
        width: 48px;
        height: 48px;
    }

    .logo-text {
        font-size: 28px;
    }

    .feature-card {
        padding: 24px;
    }
}