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

:root {
    /* Colors */
    --primary: #ec4899;
    --primary-dark: #db2777;
    --gradient-start: #ec4899;
    --gradient-end: #f97316;
    --bg: #0a0a0a;
    --text-primary: #ffffff;
    --text-secondary: #888888;
    --text-muted: #555555;

    /* Typography */
    --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: var(--primary);
    color: white;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
}

.btn-nav {
    padding: 0.7rem 1.8rem;
    background: transparent;
    color: white;
    text-decoration: none;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 50px;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.btn-nav:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.3);
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 2rem 4rem;
    text-align: center;
    position: relative;
}

.hero-content {
    max-width: 1100px;
    position: relative;
}

.hero-content::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 140%;
    height: 180%;
    background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.08) 40%, transparent 70%);
    pointer-events: none;
    z-index: -1;
    filter: blur(40px);
}

.hero-title {
    font-size: clamp(3rem, 10vw, 7rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 2rem;
    position: relative;
    line-height: 1.3em;
}

.gradient-text {
    background: var(--primary);
    color: var(--bg);
    padding: 0.1em 0.3em;
    border-radius: 0.15em;
    -webkit-text-fill-color: initial;
}

.hero-desc {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    color: var(--text-secondary);
    font-weight: 400;
    line-height: 1.8;
}

/* Content Sections */
.content-section {
    padding: 8rem 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.content-section.alt {
    background: rgba(255, 255, 255, 0.01);
}

.content-block {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.section-number {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
}

.section-title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 3rem;
    max-width: 800px;
}

.section-text {
    max-width: 700px;
    margin: 0 auto;
}

.section-text p {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

.large-text {
    font-size: clamp(1.8rem, 3vw, 2.5rem) !important;
    font-weight: 600;
    color: var(--text-primary) !important;
    margin-bottom: 3rem !important;
    line-height: 1.3 !important;
}

.main-text {
    font-size: clamp(1.3rem, 2.5vw, 1.8rem) !important;
    font-weight: 400;
    color: var(--text-primary) !important;
    line-height: 1.6 !important;
}

.emphasis-text {
    font-size: clamp(1.3rem, 2.5vw, 1.8rem) !important;
    font-weight: 500;
    color: var(--text-primary) !important;
    margin-top: 2rem !important;
}

.highlight {
    color: var(--primary);
    font-weight: 600;
}

/* Philosophy Section */
.philosophy-section {
    padding: 10rem 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    background: linear-gradient(180deg, rgba(236, 72, 153, 0.03) 0%, rgba(10, 10, 10, 0) 100%);
}

.philosophy-content {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.philosophy-title {
    font-size: clamp(2.5rem, 7vw, 5.5rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.03em;
    margin-bottom: 5rem;
    line-height: 1.3em;
}

.philosophy-values {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 4rem;
    margin-top: 5rem;
}

.value-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.value-label {
    font-size: clamp(1.3rem, 2vw, 1.8rem);
    font-weight: 700;
    color: var(--text-primary);
}

.value-desc {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 400;
}

/* Download Section */
.download-section {
    padding: 8rem 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
}

.download-content {
    max-width: 800px;
    margin: 0 auto;
}

.download-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 800;
    margin-bottom: 3rem;
    letter-spacing: -0.03em;
}

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

.download-btn {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.2rem 2rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    text-decoration: none;
    color: white;
    transition: all 0.3s ease;
}

.download-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary);
    transform: translateY(-3px);
}

.download-btn-inactive {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

.download-btn-inactive:hover {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.1);
    transform: none;
}

.download-btn svg {
    width: 35px;
    height: 35px;
}

.btn-subtitle {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-align: left;
}

.btn-title {
    font-size: 1.1rem;
    font-weight: 700;
    text-align: left;
}

/* Footer */
.footer {
    padding: 4rem 2rem 3rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    text-align: center;
}

.footer-links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

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

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

.footer-copy {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-content {
        padding: 1.2rem 1.5rem;
    }

    .hero {
        padding: 7rem 1.5rem 3rem;
    }

    .content-section {
        padding: 5rem 1.5rem;
    }

    .section-text {
        max-width: 100%;
    }

    .philosophy-section {
        padding: 6rem 1.5rem;
    }

    .philosophy-values {
        gap: 3rem;
    }

    .download-section {
        padding: 5rem 1.5rem;
    }

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

    .download-btn {
        justify-content: center;
    }

    .footer {
        padding: 3rem 1.5rem 2rem;
    }
}

@media (max-width: 480px) {
    .nav-content {
        padding: 1rem 1.2rem;
    }

    .logo {
        font-size: 1.3rem;
    }

    .btn-nav {
        padding: 0.6rem 1.4rem;
        font-size: 0.9rem;
    }

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

    .section-number {
        font-size: 0.9rem;
    }

    .section-text p {
        font-size: 1.05rem;
    }

    .philosophy-values {
        gap: 2.5rem;
    }
}

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

.fade-in {
    animation: fadeInUp 0.8s ease-out forwards;
    opacity: 0;
}