:root {
    --bg-color: #030303;
    --bg-secondary: #0a0a0a;
    --bg-tertiary: #141414;
    --text-color: #ffffff;
    --text-muted: #888888;
    --text-dark: #000000;
    --primary: #ffffff;
    --primary-glow: rgba(255, 255, 255, 0.15);
    --secondary: #aaaaaa;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-hover: rgba(255, 255, 255, 0.06);
    --border-radius: 20px;
    --transition-fast: 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-medium: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

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

h1, h2, h3, h4 {
    font-family: 'Outfit', sans-serif;
    color: var(--text-color);
    font-weight: 700;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.accent {
    color: var(--text-color);
    position: relative;
}
.accent::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--primary);
}

.accent-gradient {
    background: linear-gradient(135deg, #ffffff, #666666);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* HEADER */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 24px 0;
    background: rgba(3, 3, 3, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
    transition: all var(--transition-medium);
}

.header.scrolled {
    padding: 16px 0;
    background: rgba(3, 3, 3, 0.85);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    gap: 8px;
    letter-spacing: -0.5px;
    transition: transform var(--transition-fast);
}

.logo:hover {
    transform: scale(1.02);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a:not(.btn-primary) {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-muted);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-links a:not(.btn-primary)::after {
    content: '';
    position: absolute;
    width: 0%;
    height: 1px;
    bottom: -4px;
    left: 0;
    background-color: var(--primary);
    transition: width var(--transition-medium);
}

.nav-links a:not(.btn-primary):hover {
    color: #fff;
}
.nav-links a:not(.btn-primary):hover::after {
    width: 100%;
}
.nav-links a.active {
    color: #fff;
}
.nav-links a.active::after {
    width: 100%;
}

/* BUTTONS */
.btn-primary {
    background: var(--text-color);
    color: var(--text-dark);
    padding: 10px 24px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px var(--primary-glow);
    background: transparent;
    color: var(--text-color);
    border-color: var(--text-color);
}

.btn-large {
    display: inline-block;
    background: var(--text-color);
    color: var(--text-dark);
    padding: 16px 40px;
    border-radius: 100px;
    font-size: 1.125rem;
    font-weight: 700;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.btn-large:hover {
    transform: scale(1.03) translateY(-3px);
    box-shadow: 0 10px 25px var(--primary-glow);
    background: transparent;
    color: var(--text-color);
    border-color: var(--text-color);
}

.btn-outline {
    align-self: flex-start;
    padding: 10px 24px;
    border: 1px solid var(--glass-border);
    color: var(--text-color);
    border-radius: 100px;
    font-weight: 600;
    transition: all var(--transition-fast);
    background: var(--glass-bg);
}

.btn-outline:hover {
    background: var(--text-color);
    color: var(--text-dark);
    box-shadow: 0 4px 15px var(--primary-glow);
    border-color: var(--text-color);
}

.play-store-btn {
    display: inline-block;
    transition: transform var(--transition-fast);
}

.play-store-btn img {
    height: 48px;
    display: block;
}

.play-store-btn:hover {
    transform: scale(1.05);
}

/* HERO COMMON */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    left: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, rgba(0,0,0,0) 70%);
    border-radius: 50%;
    z-index: -1;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero.centered .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    max-width: 800px;
}

.badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--secondary);
    margin-bottom: 24px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.hero-title {
    font-size: 4.5rem;
    line-height: 1.05;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 540px;
    font-weight: 300;
}

.hero.centered .hero-description {
    margin: 0 auto 40px;
}

/* HOME VISUAL */
.developer-visual {
    position: relative;
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    background: linear-gradient(145deg, rgba(25,25,25,0.8), rgba(10,10,10,0.9));
    border-radius: 40px;
    border: 1px solid var(--glass-border);
    box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 1), inset 0 1px 0 rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1 / 1;
    transition: transform var(--transition-medium);
}

.visual-placeholder {
    font-size: 7rem;
    filter: drop-shadow(0 0 30px rgba(255,255,255,0.2));
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
    100% { transform: translateY(0px) rotate(0deg); }
}

.developer-visual:hover {
    transform: translateY(-10px) scale(1.02);
}

/* SECTION HEADERS */
.section-padding {
    padding: 120px 0;
}

.bg-alt {
    background-color: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header h2 {
    font-size: 3rem;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

/* GAMES GRID (HOME) */
.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 40px;
}

.game-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: all var(--transition-medium);
    display: flex;
    flex-direction: column;
}

.game-card:hover {
    transform: translateY(-12px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

.game-image-placeholder {
    height: 240px;
    background: linear-gradient(135deg, #222, #111);
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--glass-border);
    overflow: hidden;
    position: relative;
}

.game-icon {
    font-size: 5rem;
    filter: drop-shadow(0 0 10px rgba(255,255,255,0.1));
    transition: transform var(--transition-medium);
}

.game-card:hover .game-icon {
    transform: scale(1.1);
}

.game-info {
    padding: 40px 32px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.game-info h3 {
    font-size: 1.75rem;
    margin-bottom: 16px;
}

.game-info p {
    color: var(--text-muted);
    margin-bottom: 32px;
    flex-grow: 1;
    font-size: 1.05rem;
}

/* SOBRE MIM PAGE */
.profile-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.profile-image-container {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    aspect-ratio: 4/5;
    background: #111;
    border: 1px solid var(--glass-border);
}

.profile-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    background: linear-gradient(to bottom right, #2a2a2a, #0a0a0a);
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 24px;
}

.skill-badge {
    padding: 8px 20px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-color);
    transition: all var(--transition-fast);
}

.skill-badge:hover {
    background: var(--primary);
    color: var(--text-dark);
}

/* AGENDA GAMER PAGE */
.app-mockup-container {
    perspective: 1000px;
    display: flex;
    justify-content: center;
}

.app-mockup {
    width: 100%;
    max-width: 320px;
    background: linear-gradient(135deg, #222, #000);
    border-radius: 40px;
    border: 12px solid #333;
    box-shadow: 0 30px 60px rgba(0,0,0,0.8), inset 0 0 0 2px rgba(255,255,255,0.1);
    transform: rotateY(-15deg) rotateX(5deg);
    transition: transform var(--transition-medium);
    aspect-ratio: 9 / 19.5;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.app-mockup::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 30px;
    background-color: #333;
    border-bottom-left-radius: 16px;
    border-bottom-right-radius: 16px;
    z-index: 10;
}

.app-mockup:hover {
    transform: rotateY(0deg) rotateX(0deg) scale(1.05);
}

.app-screen-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    border-radius: 28px;
    position: absolute;
    top: 0;
    left: 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 40px 30px;
    border-radius: var(--border-radius);
    transition: all var(--transition-medium);
}

.feature-card:hover {
    transform: translateY(-10px);
    background: var(--glass-hover);
    border-color: rgba(255, 255, 255, 0.2);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 24px;
}

/* CTA SECTION */
.cta-section {
    padding: 120px 0;
    text-align: center;
    position: relative;
}

.cta-container {
    background: linear-gradient(135deg, rgba(255,255,255,0.05), rgba(255,255,255,0.01));
    border: 1px solid var(--glass-border);
    padding: 80px 40px;
    border-radius: 32px;
    backdrop-filter: blur(10px);
}

.cta-container h2 {
    font-size: 3rem;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.cta-container p {
    color: var(--text-muted);
    margin-bottom: 40px;
    font-size: 1.25rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* FOOTER */
.footer {
    padding: 60px 0 40px;
    border-top: 1px solid var(--glass-border);
    background: var(--bg-color);
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}

.footer-info p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 12px;
}

.footer-links p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ANIMATIONS (OBSERVER) */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* RESPONSIVE */
@media (max-width: 992px) {
    .hero-container, .profile-section {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-title {
        font-size: 3.5rem;
    }
    .hero-description, .profile-section p {
        margin-left: auto;
        margin-right: auto;
    }
    .btn-outline, .skills-grid {
        justify-content: center;
        align-self: center;
    }
    .hero-cta {
        justify-content: center;
    }
    .app-mockup {
        max-width: 200px;
        transform: none;
    }
    .app-mockup:hover {
        transform: scale(1.05);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .hero-title {
        font-size: 2.8rem;
    }
    .section-header h2 {
        font-size: 2.2rem;
    }
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    .app-mockup {
        max-width: 160px;
    }
    .cta-container {
        padding: 60px 24px;
    }
    .cta-container h2 {
        font-size: 2.2rem;
    }
}