:root {
    --primary-color: #4095ff;
    --secondary-color: #00d4ff;
    --accent-color: #ff6b6b;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.8);
    --background-primary: #0a0a1a;
    --background-secondary: #1a1a2e;
    --card-background: rgba(255, 255, 255, 0.1);
    --border-color: rgba(255, 255, 255, 0.2);
    --speed: 1200ms;
}

.light-theme {
    --primary-color: #0066ff;
    --secondary-color: #00a3d4;
    --accent-color: #ff4757;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.9);
    --background-primary: #2c3e50;
    --background-secondary: #34495e;
    --card-background: rgba(255, 255, 255, 0.15);
    --border-color: rgba(255, 255, 255, 0.2);
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--background-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Animação letra a letra do título (respeita prefers-reduced-motion via JS) */
*[letter-animation="breath"] > span {
    display: inline-block;
    white-space: break-spaces;
    animation: breath var(--speed) ease calc(var(--index) * 100 * 1ms) infinite alternate;
}

@keyframes breath {
    from {
        animation-timing-function: ease-out;
    }
    to {
        transform: scale(1.2) translateY(-4px);
        text-shadow: 0 0 20px var(--primary-color);
        animation-timing-function: ease-in-out;
    }
}

/* Fundo: degradê + estrelado sutil, 100% CSS (sem divs geradas via JS) */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.6;
    background: var(--background-primary);
    transition: all 0.5s ease;
}

body:not(.light-theme) .background-animation {
    background: radial-gradient(circle at 20% 30%, #1a1a2e 0%, #0a0a1a 50%),
                radial-gradient(circle at 80% 70%, #16213e 0%, #0a0a1a 50%);
}

body:not(.light-theme) .background-animation::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 25% 25%, #4095ff 2px, transparent 2px),
        radial-gradient(circle at 75% 75%, #00d4ff 1px, transparent 1px),
        radial-gradient(circle at 50% 50%, #ff6b6b 1.5px, transparent 1.5px);
    background-size: 200px 200px, 150px 150px, 300px 300px;
    animation: float 20s infinite linear;
}

body:not(.light-theme) .background-animation::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 10% 20%, #ff6b6b 6px, transparent 6px),
        radial-gradient(circle at 90% 80%, #ffa500 5px, transparent 5px),
        radial-gradient(circle at 30% 90%, #00ff00 3px, transparent 3px),
        radial-gradient(circle at 70% 10%, #ffff00 5px, transparent 5px),
        radial-gradient(circle at 50% 60%, #ff1493 4px, transparent 4px);
    background-size: 800px 800px, 600px 600px, 900px 900px, 700px 700px, 500px 500px;
    opacity: 0.5;
    animation: planets 30s infinite linear;
}

/* Tema claro */
body.light-theme .background-animation {
    background: linear-gradient(125deg, #e3f2fd 0%, #bbdefb 28%, #90caf9 80%, #64b5f6 100%);
}

@keyframes float {
    0% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
    100% { transform: translateY(0px) rotate(360deg); }
}

@keyframes planets {
    0% { transform: translateX(-100px); }
    100% { transform: translateX(100px); }
}

@media (prefers-reduced-motion: reduce) {
    body:not(.light-theme) .background-animation::before,
    body:not(.light-theme) .background-animation::after {
        animation: none;
    }
}

/* Meteoros (só no tema escuro) — estático em CSS, sem JS */
.meteor-field {
    position: fixed;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: -1;
}

body.light-theme .meteor-field {
    display: none;
}

.meteor {
    position: absolute;
    width: 2px;
    height: 2px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 0 6px 1px white, 0 0 14px 2px rgba(255, 255, 255, 0.5);
    opacity: 0;
    animation: meteorFall linear infinite;
}

.meteor::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 90px;
    height: 1px;
    background: linear-gradient(to left, white, transparent);
}

@keyframes meteorFall {
    0% { opacity: 0; transform: translate(0, 0) rotate(-45deg); }
    4% { opacity: 1; }
    18% { opacity: 1; }
    24% { opacity: 0; transform: translate(-320px, 320px) rotate(-45deg); }
    100% { opacity: 0; }
}

.meteor:nth-child(1) { top: 5%;  left: 70%; animation-duration: 7s; animation-delay: 0s; }
.meteor:nth-child(2) { top: 15%; left: 35%; animation-duration: 9s; animation-delay: 2.5s; }
.meteor:nth-child(3) { top: 0%;  left: 88%; animation-duration: 8s; animation-delay: 5s; }
.meteor:nth-child(4) { top: 22%; left: 12%; animation-duration: 10s; animation-delay: 1.5s; }
.meteor:nth-child(5) { top: 8%;  left: 55%; animation-duration: 6.5s; animation-delay: 3.5s; }

@media (prefers-reduced-motion: reduce) {
    .meteor { animation: none; opacity: 0; }
}

/* Texto animado do subtítulo (efeito digitação) */
.text-animation-container {
    display: inline-flex;
    align-items: center;
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 500;
    color: var(--text-primary);
}

.cursor-blink {
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

#textHacker {
    min-width: 200px;
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Sol e nuvens (tema claro) */
body.light-theme .sun {
    position: fixed;
    top: 50px;
    right: 80px;
    width: 80px;
    height: 80px;
    background: radial-gradient(circle, #ffeb3b 30%, #ffc107 70%);
    border-radius: 50%;
    box-shadow: 0 0 30px rgba(255, 235, 59, 0.8);
    z-index: -2;
    animation: sunGlow 3s ease-in-out infinite alternate;
}

body.light-theme .clouds-container {
    position: fixed;
    width: 100%;
    height: 100vh;
    top: 0;
    left: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

body.light-theme .cloud {
    position: absolute;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50px;
    opacity: 0.7;
}

body.light-theme .cloud::before,
body.light-theme .cloud::after {
    content: '';
    position: absolute;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50px;
}

body.light-theme .cloud1 {
    width: 80px;
    height: 30px;
    top: 20%;
    animation: moveCloud1 25s linear infinite;
}

body.light-theme .cloud1::before {
    width: 40px;
    height: 40px;
    top: -15px;
    left: 10px;
}

body.light-theme .cloud1::after {
    width: 50px;
    height: 35px;
    top: -10px;
    right: 10px;
}

body.light-theme .cloud2 {
    width: 60px;
    height: 25px;
    top: 35%;
    animation: moveCloud2 30s linear infinite;
}

body.light-theme .cloud2::before {
    width: 35px;
    height: 35px;
    top: -12px;
    left: 8px;
}

body.light-theme .cloud2::after {
    width: 40px;
    height: 30px;
    top: -8px;
    right: 8px;
}

body.light-theme .cloud3 {
    width: 100px;
    height: 35px;
    top: 15%;
    animation: moveCloud3 35s linear infinite;
}

body.light-theme .cloud3::before {
    width: 50px;
    height: 50px;
    top: -18px;
    left: 15px;
}

body.light-theme .cloud3::after {
    width: 60px;
    height: 40px;
    top: -12px;
    right: 15px;
}

@keyframes sunGlow {
    from { box-shadow: 0 0 30px rgba(255, 235, 59, 0.8); }
    to { box-shadow: 0 0 50px rgba(255, 235, 59, 1); }
}

@keyframes moveCloud1 {
    from { left: -120px; }
    to { left: 100vw; }
}

@keyframes moveCloud2 {
    from { left: -100px; }
    to { left: 100vw; }
}

@keyframes moveCloud3 {
    from { left: -140px; }
    to { left: 100vw; }
}

html {
    overflow-x: hidden;
}

.contact-item a {
    color: inherit;
    text-decoration: none;
}

.contact-item a:hover {
    text-decoration: underline;
}