:root {
    --bg-cream: #FFF8F0;
    --bg-purple: #E5D9F2;
    --accent-pink: #FFB5C2;
    --accent-green: #D4F4DD;
    --accent-blue: #C2E7FF;
    --accent-yellow: #FFF4C2;
    --text-dark: #2D2D2D;
    --text-medium: #5A5A5A;
    --text-light: #8A8A8A;
    --white: #FFFFFF;
    --shadow: rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background: var(--bg-cream);
    color: var(--text-dark);
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Background Effects */
.background-effects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

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

.orb-1 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #FFB5C2, #E5D9F2);
    top: -100px;
    left: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 250px;
    height: 250px;
    background: linear-gradient(135deg, #D4F4DD, #C2E7FF);
    bottom: -80px;
    right: -80px;
    animation-delay: 5s;
}

.orb-3 {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, #FFF4C2, #FFB5C2);
    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);
    }
}

/* Floating Hearts */
.floating-hearts {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.heart {
    position: absolute;
    top: 100%;
    font-size: 24px;
    opacity: 0;
    animation: floatUp 15s linear infinite;
}

@keyframes floatUp {
    0% {
        top: 100%;
        opacity: 0;
        transform: translateX(0) rotate(0deg);
    }
    10% {
        opacity: 0.6;
    }
    90% {
        opacity: 0.6;
    }
    100% {
        top: -10%;
        opacity: 0;
        transform: translateX(20px) rotate(15deg);
    }
}

/* Container */
.container {
    position: relative;
    z-index: 2;
    max-width: 480px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
}

/* Header */
.hero {
    text-align: center;
    padding: 40px 0 30px;
    animation: fadeInDown 0.8s ease-out;
}

.logo-container {
    margin-bottom: 20px;
}

.logo {
    font-family: 'DM Serif Display', serif;
    font-size: 56px;
    font-weight: 400;
    letter-spacing: 2px;
    margin-bottom: 5px;
    background: linear-gradient(135deg, var(--text-dark), var(--text-medium));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: logoGlow 3s ease-in-out infinite;
}

@keyframes logoGlow {
    0%, 100% {
        filter: drop-shadow(0 0 10px rgba(229, 217, 242, 0.5));
    }
    50% {
        filter: drop-shadow(0 0 20px rgba(255, 181, 194, 0.5));
    }
}

.tagline {
    font-size: 16px;
    color: var(--text-medium);
    font-weight: 300;
    letter-spacing: 1px;
}

.beta-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 181, 194, 0.2);
    border: 2px solid var(--accent-pink);
    border-radius: 50px;
    padding: 8px 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--text-dark);
    animation: pulse 2s ease-in-out infinite;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-pink);
    border-radius: 50%;
    animation: pulseDot 2s ease-in-out infinite;
}

@keyframes pulseDot {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.7;
    }
}

/* 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 scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Intro Section */
.intro-section {
    text-align: center;
    padding: 30px 0;
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.section-title {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.intro-text {
    font-size: 16px;
    color: var(--text-medium);
    line-height: 1.7;
    font-weight: 300;
}

/* Features */
.features {
    display: grid;
    gap: 20px;
    padding: 20px 0;
    margin: 20px 0;
}

.feature-card {
    background: var(--white);
    border-radius: 24px;
    padding: 30px 25px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    animation: scaleIn 0.6s ease-out backwards;
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}

.feature-card:nth-child(1) {
    border-color: var(--accent-pink);
    background: linear-gradient(135deg, rgba(255, 181, 194, 0.05), var(--white));
}

.feature-card:nth-child(2) {
    border-color: var(--accent-green);
    background: linear-gradient(135deg, rgba(212, 244, 221, 0.05), var(--white));
}

.feature-card:nth-child(3) {
    border-color: var(--accent-blue);
    background: linear-gradient(135deg, rgba(194, 231, 255, 0.05), var(--white));
}

.feature-card:nth-child(4) {
    border-color: var(--accent-yellow);
    background: linear-gradient(135deg, rgba(255, 244, 194, 0.05), var(--white));
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 15px;
    animation: bounce 2s ease-in-out infinite;
}

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

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

.feature-card:nth-child(4) .feature-icon {
    animation-delay: 1.5s;
}

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

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.feature-card p {
    font-size: 14px;
    color: var(--text-medium);
    font-weight: 300;
    line-height: 1.6;
}

/* Beta Notice */
.beta-notice {
    padding: 30px 0;
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

.notice-card {
    background: linear-gradient(135deg, rgba(229, 217, 242, 0.3), rgba(255, 181, 194, 0.2));
    border: 2px solid var(--bg-purple);
    border-radius: 24px;
    padding: 30px 25px;
    text-align: center;
}

.notice-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.notice-card p {
    font-size: 15px;
    color: var(--text-medium);
    margin-bottom: 20px;
    line-height: 1.6;
}

.notice-points {
    display: flex;
    flex-direction: column;
    gap: 12px;
    text-align: left;
}

.point {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--text-dark);
}

.point-icon {
    width: 24px;
    height: 24px;
    background: var(--accent-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
}

/* Privacy Section */
.privacy-section {
    padding: 30px 0;
    animation: fadeInUp 0.8s ease-out 0.5s backwards;
}

.privacy-card {
    background: var(--white);
    border: 2px solid var(--accent-green);
    border-radius: 24px;
    padding: 30px 25px;
    text-align: center;
}

.lock-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.privacy-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.privacy-card p {
    font-size: 15px;
    color: var(--text-medium);
    margin-bottom: 20px;
    line-height: 1.6;
}

.privacy-reminder {
    background: rgba(255, 244, 194, 0.3);
    border: 2px solid var(--accent-yellow);
    border-radius: 16px;
    padding: 15px;
    font-size: 14px;
    color: var(--text-dark);
    line-height: 1.6;
}

.privacy-reminder strong {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
}

/* Download Section */
.download-section {
    padding: 40px 0;
    animation: fadeInUp 0.8s ease-out 0.6s backwards;
}

.download-card {
    background: linear-gradient(135deg, var(--bg-purple), var(--accent-pink));
    border-radius: 32px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 12px 40px rgba(229, 217, 242, 0.4);
}

.download-card h2 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.download-subtitle {
    font-size: 16px;
    color: var(--text-medium);
    margin-bottom: 30px;
    font-weight: 300;
}

.download-button {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--text-dark);
    color: var(--white);
    text-decoration: none;
    padding: 20px 25px;
    border-radius: 20px;
    margin: 0 auto 20px;
    max-width: 100%;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.download-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.download-button:hover::before {
    left: 100%;
}

.download-button:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.download-button:active {
    transform: scale(0.98);
}

.btn-icon {
    font-size: 28px;
}

.btn-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    flex: 1;
    margin-left: 15px;
}

.btn-main {
    font-size: 18px;
    font-weight: 600;
}

.btn-sub {
    font-size: 12px;
    opacity: 0.8;
    font-weight: 300;
}

.btn-arrow {
    font-size: 24px;
    font-weight: 300;
    transition: transform 0.3s;
}

.download-button:hover .btn-arrow {
    transform: translateX(5px);
}

.install-note {
    font-size: 13px;
    color: var(--text-dark);
    line-height: 1.6;
    opacity: 0.8;
}

.install-note strong {
    font-weight: 600;
}

/* Feedback Section */
.feedback-section {
    padding: 30px 0;
    animation: fadeInUp 0.8s ease-out 0.7s backwards;
}

.feedback-card {
    background: var(--white);
    border: 2px solid var(--accent-blue);
    border-radius: 24px;
    padding: 30px 25px;
    text-align: center;
}

.feedback-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.feedback-card p {
    font-size: 15px;
    color: var(--text-medium);
    margin-bottom: 10px;
    line-height: 1.6;
}

.feedback-text {
    font-size: 14px !important;
    font-weight: 300;
}

/* Footer */
.footer {
    padding: 40px 0 30px;
    text-align: center;
    animation: fadeInUp 0.8s ease-out 0.8s backwards;
}

.footer-content {
    opacity: 0.6;
}

.footer-logo {
    font-family: 'DM Serif Display', serif;
    font-size: 32px;
    margin-bottom: 5px;
}

.footer-tagline {
    font-size: 14px;
    color: var(--text-medium);
    margin-bottom: 5px;
    font-weight: 300;
}

.footer-text {
    font-size: 12px;
    color: var(--text-light);
}

/* Responsive Design */
@media (max-width: 400px) {
    .logo {
        font-size: 48px;
    }

    .section-title {
        font-size: 24px;
    }

    .feature-card {
        padding: 25px 20px;
    }

    .download-card {
        padding: 35px 25px;
    }

    .download-card h2 {
        font-size: 24px;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading animation */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}