:root {
    --primary: #FDB9CB;
    --primary-light: #FED5E0;
    --primary-glow: rgba(253, 185, 203, 0.2);
    --dark: #2B2B2B;
    --white: #FFFFFF;
    --light-gray: #F8F8F8;
}

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

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

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    background: var(--white);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(253, 185, 203, 0.1);
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--dark);
    letter-spacing: -0.5px;
}

.logo-emoji {
    margin-right: 0.5rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

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

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

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: linear-gradient(135deg, var(--white) 0%, var(--light-gray) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-30px); }
}

.hero-content {
    text-align: center;
    max-width: 700px;
    position: relative;
    z-index: 2;
    animation: fadeInUp 0.8s ease-out;
}

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

.hero-emoji {
    font-size: 4rem;
    margin-bottom: 1rem;
    display: block;
    animation: wave 2s ease-in-out infinite;
}

@keyframes wave {
    0%, 100% { transform: rotate(0deg); }
    50% { transform: rotate(10deg); }
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    color: var(--dark);
    margin-bottom: 1rem;
    font-weight: 700;
    letter-spacing: -1px;
}

.hero p {
    font-size: clamp(1rem, 2.5vw, 1.3rem);
    color: #666;
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

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

.btn {
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    letter-spacing: 0.3px;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 10px 30px rgba(253, 185, 203, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(253, 185, 203, 0.4);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary);
    border: 2px solid var(--primary);
}

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

.features {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

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

.features-header h2 {
    font-size: 2.5rem;
    color: var(--dark);
    margin-bottom: 1rem;
    font-weight: 700;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--white);
    border: 1px solid rgba(253, 185, 203, 0.2);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    animation: cardSlideIn 0.6s ease-out;
}

@keyframes cardSlideIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px var(--primary-glow);
    border-color: var(--primary);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.feature-card h3 {
    font-size: 1.3rem;
    color: var(--dark);
    margin-bottom: 0.8rem;
    font-weight: 700;
}

.feature-card p {
    color: #666;
    line-height: 1.8;
    font-size: 0.95rem;
}

.app-preview {
    padding: 6rem 2rem;
    background: linear-gradient(135deg, var(--light-gray) 0%, var(--white) 100%);
    max-width: 1400px;
    margin: 0 auto;
}

.app-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.app-content h2 {
    font-size: 2.5rem;
    color: var(--dark);
    margin-bottom: 1rem;
    font-weight: 700;
}

.app-content > p {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 2rem;
}

.app-features-list {
    list-style: none;
    margin-bottom: 2.5rem;
}

.app-features-list li {
    font-size: 1.05rem;
    color: var(--dark);
    margin-bottom: 1.2rem;
    font-weight: 500;
    animation: slideInLeft 0.6s ease-out;
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}

.phone-frame {
    width: 280px;
    height: 580px;
    background: var(--dark);
    border-radius: 50px;
    padding: 12px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2);
    margin: 0 auto;
    animation: phoneSlideIn 0.8s ease-out;
}

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

.phone-notch {
    width: 150px;
    height: 28px;
    background: var(--dark);
    border-radius: 0 0 25px 25px;
    margin: 0 auto 8px;
    position: relative;
    z-index: 10;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--white);
    border-radius: 40px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.screen-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 1rem;
    overflow-y: auto;
}

.screen-header {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(253, 185, 203, 0.2);
}

.profile-card {
    background: var(--light-gray);
    border-radius: 15px;
    overflow: hidden;
    margin-bottom: 1rem;
    animation: fadeInUp 0.6s ease-out;
}

.profile-image {
    width: 100%;
    height: 120px;
    border-radius: 12px;
    margin-bottom: 0.8rem;
}

.profile-info {
    padding: 0 0.8rem 0.8rem;
}

.profile-info h4 {
    font-size: 1rem;
    color: var(--dark);
    margin-bottom: 0.3rem;
    font-weight: 700;
}

.profile-info p {
    font-size: 0.85rem;
    color: #888;
    margin-bottom: 0.6rem;
}

.profile-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.profile-tags span {
    background: var(--primary-light);
    color: var(--primary);
    font-size: 0.7rem;
    padding: 0.3rem 0.6rem;
    border-radius: 10px;
    font-weight: 600;
}

.action-buttons {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(253, 185, 203, 0.2);
}

.action-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.action-btn.pass {
    background: #f0f0f0;
}

.action-btn.pass:hover {
    background: #e0e0e0;
    transform: scale(1.1);
}

.action-btn.like {
    background: var(--primary);
    color: var(--white);
}

.action-btn.like:hover {
    background: #fa9ab0;
    transform: scale(1.1);
}

.tagline-section {
    padding: 5rem 2rem;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--white) 100%);
    text-align: center;
    margin-top: 3rem;
}

.tagline-emoji {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
    animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.tagline-section h2 {
    font-size: 2.2rem;
    color: var(--dark);
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.tagline-section p {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto 2rem;
    line-height: 1.8;
}

.tagline-btn {
    margin-top: 1rem;
}

footer {
    background: var(--dark);
    color: var(--white);
    text-align: center;
    padding: 2rem;
    font-size: 0.9rem;
}

footer a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

footer a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    nav {
        padding: 1rem 1.5rem;
    }

    .hero {
        padding: 1.5rem 1rem;
        min-height: auto;
        padding-top: 6rem;
        padding-bottom: 3rem;
    }

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

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

    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }

    .btn {
        width: 100%;
    }

    .features {
        padding: 3rem 1.5rem;
    }

    .features-header h2 {
        font-size: 1.8rem;
    }

    .feature-card {
        padding: 1.5rem;
    }

    .app-preview {
        padding: 3rem 1.5rem;
    }

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

    .app-content h2 {
        font-size: 1.8rem;
    }

    .phone-frame {
        width: 240px;
        height: 500px;
    }

    .tagline-section {
        padding: 3rem 1.5rem;
    }

    .tagline-section h2 {
        font-size: 1.8rem;
    }

    .hero::before {
        width: 300px;
        height: 300px;
        top: -20%;
        right: -20%;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}