/* ===================================
   CSS Custom Properties
   =================================== */
:root {
    /* Brand Colors */
    --brand-yellow: #FBD400;
    --brand-blue: #1C4DF6;
    --brand-dark: #111111;
    --neutral-light: #F3F5F9;
    --white: #FFFFFF;
    
    /* Typography */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--brand-dark);
    line-height: 1.6;
    overflow-x: hidden;
    overflow-y: hidden;
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    background: var(--brand-yellow);
    min-height: 100vh;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) var(--spacing-md);
    overflow: visible;
}

.hero-content {
    max-width: 600px;
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero-logo {
    margin-bottom: var(--spacing-lg);
    animation: float 3s ease-in-out infinite;
}

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

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 10vw, 5rem);
    font-weight: 800;
    color: var(--brand-dark);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
    text-transform: uppercase;
}

.hero-subtitle {
    font-family: var(--font-heading);
    font-size: clamp(1.25rem, 4vw, 1.75rem);
    font-weight: 600;
    color: var(--brand-blue);
    margin-bottom: var(--spacing-md);
}

.hero-description {
    font-size: clamp(1rem, 3vw, 1.125rem);
    font-weight: 500;
    color: var(--brand-dark);
    margin-bottom: var(--spacing-xs);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.toggle-btn {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    padding: var(--spacing-md) var(--spacing-2xl);
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    border: 3px solid var(--brand-dark);
    background: var(--white);
    color: var(--brand-dark);
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.toggle-btn:hover,
.toggle-btn:focus {
    transform: translateX(-50%) translateY(-2px);
    box-shadow: 6px 6px 0 var(--brand-dark);
}

/* ===================================
   Socials Section
   =================================== */
.socials-section {
    position: relative;
    background: var(--brand-yellow);
    min-height: 100vh;
    height: 100vh;
    display: none;
    flex-direction: column;
    justify-content: flex-start;
    padding: var(--spacing-lg) var(--spacing-md) var(--spacing-xl);
    overflow-y: auto;
}

.socials-section.expanded {
    display: flex;
}

.socials-content {
    max-width: 600px;
    width: 100%;
    margin: 0 auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
}

.social-buttons-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    width: 100%;
    max-width: 400px;
    padding: var(--spacing-xl) var(--spacing-sm);
    padding-bottom: var(--spacing-2xl);
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 700;
    text-decoration: none;
    border: 3px solid var(--brand-dark);
    background: var(--white);
    color: var(--brand-dark);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    cursor: pointer;
}

.social-btn:hover,
.social-btn:focus {
    transform: translateY(-2px);
    box-shadow: 6px 6px 0 var(--brand-dark);
}

.social-btn svg {
    flex-shrink: 0;
}

.social-btn-youtube:hover { background: #FF0000; color: white; }
.social-btn-tiktok:hover { background: #000000; color: white; }
.social-btn-instagram:hover { background: #E4405F; color: white; }
.social-btn-github:hover { background: #333333; color: white; }

.hero-angle {
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 100px;
    background: var(--brand-yellow);
    clip-path: polygon(0 50%, 100% 0, 100% 100%, 0 100%);
    z-index: 1;
}

/* ===================================
   Values Section
   =================================== */
.values {
    position: relative;
    background: var(--neutral-light);
    padding: var(--spacing-3xl) var(--spacing-md);
}

.values-content {
    max-width: 1000px;
    margin: 0 auto;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 6vw, 3rem);
    font-weight: 700;
    color: var(--brand-dark);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.values-intro {
    font-size: clamp(1.125rem, 3vw, 1.25rem);
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-2xl);
    line-height: 1.7;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.value-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border: 3px solid var(--brand-dark);
    position: relative;
    transition: transform var(--transition-fast);
}

.value-card::before {
    content: '';
    position: absolute;
    top: -6px;
    left: -6px;
    right: 6px;
    bottom: 6px;
    background: var(--brand-blue);
    z-index: -1;
    transition: all var(--transition-fast);
}

.value-card:hover {
    transform: translate(-3px, -3px);
}

.value-card:hover::before {
    top: -10px;
    left: -10px;
    right: 10px;
    bottom: 10px;
}

.value-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--brand-dark);
    margin-bottom: var(--spacing-xs);
}

.value-text {
    font-size: 1rem;
    color: var(--brand-dark);
    opacity: 0.85;
}

.values-angle {
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 80px;
    background: var(--neutral-light);
    clip-path: polygon(0 0, 100% 50%, 100% 100%, 0 100%);
}

/* ===================================
   Socials Section
   =================================== */
.socials {
    background: var(--brand-yellow);
    padding: var(--spacing-3xl) var(--spacing-md);
}

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

.socials-intro {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
}

.social-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.social-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xl) var(--spacing-lg);
    background: var(--white);
    border: 3px solid var(--brand-dark);
    text-decoration: none;
    color: var(--brand-dark);
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.social-card:hover,
.social-card:focus {
    transform: translateY(-5px) rotate(-2deg);
    box-shadow: 8px 8px 0 var(--brand-dark);
}

.social-card svg {
    flex-shrink: 0;
}

.email-link {
    margin-top: var(--spacing-2xl);
}

.email-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--brand-dark);
    color: var(--white);
    font-family: var(--font-heading);
    font-weight: 600;
    text-decoration: none;
    border: 3px solid var(--brand-dark);
    transition: all var(--transition-fast);
}

.email-btn:hover,
.email-btn:focus {
    background: var(--white);
    color: var(--brand-dark);
    transform: scale(1.05);
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--brand-dark);
    color: var(--white);
    padding: var(--spacing-xl) var(--spacing-md);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    text-align: center;
}

.footer p {
    font-size: 0.9rem;
    opacity: 0.9;
}

.back-to-top {
    color: var(--brand-yellow);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.back-to-top:hover,
.back-to-top:focus {
    color: var(--white);
}

/* ===================================
   Responsive Design
   =================================== */

@media (min-width: 1024px) {
    .hero-content {
        max-width: 700px;
    }
    
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-angle {
        height: 120px;
    }
}

/* ===================================
   Accessibility
   =================================== */
.social-btn:focus,
.nav-link:focus,
.social-card:focus,
.email-btn:focus,
.back-to-top:focus {
    outline: 3px solid var(--brand-blue);
    outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}