body {
    opacity: 0;
    transition: opacity 0.2s ease-in;
}

body.loaded {
    opacity: 1;
}

/* ===========================================
   VARIABLES
=========================================== */
:root {
    --color-primary: #BB0015;
    --color-primary-dark: rgba(156, 0, 19, 0.67);
    --color-bg: #000000;
    --color-text: #ffffff;
    --color-accent: #777;
    --border-radius: 1.2rem;
    --box-shadow-inset: 0px -3px 9px 5px var(--color-primary-dark) inset;
    --transition: all 0.3s ease;
}

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

@font-face {
  font-family: "Roboto Condensed";
  src: url('../fonts/RobotoCondensed-VariableFont_wght.ttf') format('truetype');
  font-display: swap; /* ← Importante */
}

body {
    font-family: "Roboto Condensed", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.scroll-btn {
    display: inline-block;
    color: var(--color-primary);
    background: rgba(187, 0, 21, 0.15);
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}
.scroll-btn:hover {
    background: var(--color-primary);
    color: var(--color-text);
}
html {
    scroll-behavior: smooth;
}

/* ===========================================
   HEADER
=========================================== */
header {
    text-align: center;
    padding: 2rem 1rem 1rem;
    background: linear-gradient(180deg, var(--color-bg) 0%, rgba(0,0,0,0.95) 100%);
}

.logo {
    width: 60%;
    max-width: 250px;
    margin: 0 auto 1rem;
    filter: drop-shadow(0px 0px 20px var(--color-primary));
    animation: fadeIn 0.6s ease;
}

/* ===========================================
   HERO SECTION
=========================================== */
.hero {
    text-align: center;
    position: relative;
}

.hero h1 {
    font-size: 2rem;
    font-weight: 700;
    background: var(--color-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.1rem;
    color: var(--color-accent);
}

#hero{
display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1rem;
}

.comeback-link{
    color: var(--color-text);
}
/* ===========================================
   DOWNLOAD BUTTON
=========================================== */
.download-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    background: var(--color-primary);
    color: var(--color-text);
    padding: 1.2rem 2.5rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 700;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.download-btn:active {
    transform: scale(0.98);
    box-shadow: 0 2px 10px rgba(187, 0, 21, 0.3);
}

.download-btn:hover{
    background: var(--color-text);
    color: var(--color-primary);
}

.download-icon {
    width: 24px;
    height: 24px;
}

/* ===========================================
   BADGES
=========================================== */
.badges {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    margin: 3rem 0;
    padding: 0 1rem;
}

.badge {
    background: var(--color-primary);
    padding: 1.5rem 1rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--box-shadow-inset);
    transition: var(--transition);
}

.badge:active {
    transform: translateY(2px);
}

.badge-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    display: block;
}

.badge h3 {
    font-size: 1rem;
    margin-bottom: 0.3rem;
}

.badge p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.8);
}

/* ===========================================
   FEATURES
=========================================== */
.features {
    padding: 2rem 1rem;
}

.features h2 {
    text-align: center;
    font-size: 1.8rem;
    margin-bottom: 2rem;
}

.feature-grid {
    display: grid;
    gap: 1.5rem;
}

.feature {
    background: rgba(187, 0, 21, 0.1);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(187, 0, 21, 0.3);
}

.feature h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

.feature p {
    color: var(--color-accent);
    font-size: 0.95rem;
}

#feature-battery{
    grid-column: span 2;
}

/* ===========================================
   SCREENSHOTS
=========================================== */
.screenshots {
    padding: 3rem 1rem;
    text-align: center;
}

.screenshots h2 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
}

.screenshot-placeholder {
    background: linear-gradient(135deg, rgba(187, 0, 21, 0.2) 0%, rgba(187, 0, 21, 0.05) 100%);
    border: 2px dashed rgba(187, 0, 21, 0.4);
    border-radius: var(--border-radius);
    padding: 3rem 1rem;
    color: var(--color-accent);
    font-style: italic;
}

/* ===========================================
   INSTALLATION STEPS
=========================================== */
.installation {
    padding: 2rem 1rem;
    background: rgba(187, 0, 21, 0.05);
}

.installation h2 {
    text-align: center;
    font-size: 1.8rem;
    margin-bottom: 2rem;
}

.steps {
    max-width: 600px;
    margin: 0 auto;
}

.step {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--color-bg);
    border-radius: var(--border-radius);
}

.step-number {
    background: var(--color-primary);
    color: var(--color-text);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}

.step-content p {
    color: var(--color-accent);
    font-size: 0.9rem;
}

/* ===========================================
   TECHNICAL INFO
=========================================== */
.tech-info {
    padding: 2rem 1rem;
}

.tech-info h2 {
    text-align: center;
    font-size: 1.8rem;
    margin-bottom: 2rem;
}

.info-grid {
    display: grid;
    gap: 1rem;
    max-width: 800px;
    margin: 0 auto;
}

.info-item {
    background: var(--color-primary);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--box-shadow-inset);
}

.info-item strong {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    color: rgba(255, 255, 255, 0.8);
}

.info-item span {
    font-size: 1.3rem;
    font-weight: 700;
}

#info-item-lastupdate{
    grid-column: span 3;
}

/* ===========================================
   QR CODE
=========================================== */
.qr-section {
    text-align: center;
    padding: 3rem 1rem;
    background: rgba(187, 0, 21, 0.05);
}

.qr-section h2 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.qr-section p {
    color: var(--color-accent);
    margin-bottom: 2rem;
}

.qr-placeholder {
    background: var(--color-text);
    width: 200px;
    height: 200px;
    margin: 0 auto;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-bg);
    font-weight: 700;
}

.qr-placeholder img{
    max-width: 100%;
    border-radius: var(--border-radius);
}

/* ===========================================
   SECURITY NOTE
=========================================== */
.security {
    padding: 2rem 1rem;
    max-width: 800px;
    margin: 0 auto;
}

.security-box {
    background: rgba(187, 0, 21, 0.1);
    border: 1px solid rgba(187, 0, 21, 0.3);
    border-radius: var(--border-radius);
    padding: 1.5rem;
}

.security-box h3 {
    color: var(--color-primary);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.security-box p {
    color: var(--color-accent);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ===========================================
   FOOTER
=========================================== */
footer {
    background-color: var(--color-primary);
    text-align: center;
    padding: 1.5rem;
    margin-top: 3rem;
}

footer p {
    color: var(--color-accent);
}

/* ===========================================
   ANIMATIONS
=========================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===========================================
   RESPONSIVE - TABLET
=========================================== */
@media (min-width: 768px) {
    .hero h1 {
        font-size: 3rem;
    }

    .logo {
        width: 40%;
    }

    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .badges {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ===========================================
   RESPONSIVE - DESKTOP
=========================================== */
@media (min-width: 1024px) {
    .badges {
        max-width: 900px;
        margin: 3rem auto;
    }
}

body {
    animation: fadeIn 0.3s ease forwards;
}