:root {
    --color-red: #C8161D;
    --color-red-dark: #9E0E14;
    --color-red-light: #E63E45;
    --color-dark: #121212;
    --color-dark-soft: #1C1C1C;
    --color-gray: #2A2A2A;
    --color-text: #1A1A1A;
    --color-text-light: #5A5A5A;
    --color-bg: #F7F7F7;
    --color-white: #FFFFFF;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.10);
    --shadow-lg: 0 16px 48px rgba(200, 22, 29, 0.18);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 12px;
}

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

html {
    scroll-behavior: smooth;
}

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

/* ===== HEADER ===== */
.header {
    background: var(--color-dark);
    padding: 18px 24px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.header-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-img {
    height: 42px;
    width: auto;
    display: block;
}

/* ===== HERO ===== */
.hero {
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-soft) 100%);
    color: var(--color-white);
    padding: 64px 24px 72px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(200, 22, 29, 0.18) 0%, transparent 65%);
    pointer-events: none;
}

.hero-inner {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: clamp(34px, 7vw, 52px);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.5px;
    text-transform: uppercase;
    margin-bottom: 18px;
}

.hero h1 .accent {
    color: var(--color-red);
}

.hero-subtitle {
    font-size: clamp(15px, 2.5vw, 17px);
    color: rgba(255, 255, 255, 0.75);
    max-width: 520px;
    margin: 0 auto 40px;
}

/* ===== DOWNLOAD BUTTONS ===== */
.download-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
    max-width: 460px;
    margin: 0 auto;
}

@media (min-width: 640px) {
    .download-grid {
        grid-template-columns: 1fr 1fr;
        max-width: 560px;
    }
}

.store-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.store-btn img {
    width: 100%;
    max-width: 220px;
    height: auto;
    display: block;
    border-radius: 10px;
    transition: transform 0.25s ease;
}

.store-btn:hover {
    opacity: 0.92;
}

.store-btn:hover img {
    transform: translateY(-3px);
}

.store-btn-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-white);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    opacity: 0.85;
}

/* ===== SECTION GENERICA ===== */
.section {
    padding: 80px 24px 60px;
}

.section-inner {
    max-width: 1000px;
    margin: 0 auto;
}

.section-title {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: clamp(28px, 5vw, 38px);
    font-weight: 800;
    text-transform: uppercase;
    text-align: center;
    letter-spacing: -0.3px;
    margin-bottom: 12px;
    color: var(--color-text);
}

.section-title .red {
    color: var(--color-red);
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-light);
    font-size: 16px;
    max-width: 540px;
    margin: 0 auto 48px;
}

/* ===== STEPS ===== */
.steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
    max-width: 720px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .steps {
        grid-template-columns: repeat(2, 1fr);
    }
}

.step {
    background: var(--color-white);
    padding: 26px 24px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: flex-start;
    gap: 16px;
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--color-red);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.step:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.step-number {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 36px;
    font-weight: 800;
    color: var(--color-red);
    line-height: 1;
    flex-shrink: 0;
    min-width: 40px;
}

.step-content h3 {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 20px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
    color: var(--color-text);
}

.step-content p {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.5;
}

.step-content code {
    background: var(--color-bg);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-family: 'Inter', monospace;
    font-size: 13px;
    color: var(--color-red);
    font-weight: 600;
}

/* ===== CREDENTIALS BOX ===== */
.credentials {
    max-width: 540px;
    margin: 36px auto 0;
    background: var(--color-dark);
    color: var(--color-white);
    padding: 26px;
    border-radius: var(--radius-lg);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.credentials::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-red) 0%, var(--color-red-light) 100%);
}

.credentials-title {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--color-red-light);
    margin-bottom: 16px;
}

.cred-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.cred-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 14px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.cred-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 4px;
}

.cred-value {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 20px;
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: 0.5px;
}

/* ===== FEATURES ===== */
.features-section {
    background: var(--color-white);
    padding: 70px 24px;
}

.features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    max-width: 800px;
    margin: 0 auto;
}

@media (min-width: 640px) {
    .features {
        grid-template-columns: repeat(4, 1fr);
    }
}

.feature {
    text-align: center;
    padding: 24px 12px;
    border-radius: var(--radius-lg);
    background: var(--color-bg);
    transition: all 0.25s ease;
}

.feature:hover {
    background: var(--color-dark);
    color: var(--color-white);
    transform: translateY(-4px);
}

.feature-icon {
    width: 44px;
    height: 44px;
    margin: 0 auto 12px;
    background: var(--color-red);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
}

.feature-icon svg {
    width: 22px;
    height: 22px;
}

.feature-title {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===== CTA FINAL ===== */
.cta-final {
    background: linear-gradient(135deg, var(--color-red) 0%, var(--color-red-dark) 100%);
    color: var(--color-white);
    padding: 60px 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-final::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.06) 0%, transparent 40%);
    pointer-events: none;
}

.cta-final-inner {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta-final h2 {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: clamp(26px, 5vw, 34px);
    font-weight: 800;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.cta-final p {
    margin-bottom: 28px;
    opacity: 0.92;
}

.cta-btn {
    display: inline-block;
    background: var(--color-white);
    color: var(--color-red);
    padding: 15px 36px;
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.25s ease;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--color-dark);
    color: rgba(255, 255, 255, 0.6);
    padding: 32px 24px;
    text-align: center;
    font-size: 13px;
}

.footer strong {
    color: var(--color-white);
}

.footer-sub {
    margin-top: 6px;
    font-size: 12px;
    opacity: 0.7;
}

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

.hero h1 { animation: fadeUp 0.6s ease-out 0.1s both; }
.hero-subtitle { animation: fadeUp 0.6s ease-out 0.2s both; }
.download-grid { animation: fadeUp 0.6s ease-out 0.3s both; }