/* ============================================
   BASE — Reset, Variáveis, Tipografia, Botões
   ============================================ */

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

:root {
    --red: #CC0000;
    --red-dark: #990000;
    --red-light: #E60000;
    --red-glow: rgba(204, 0, 0, 0.3);
    --black: #0A0A0A;
    --dark-1: #111111;
    --dark-2: #1A1A1A;
    --dark-3: #222222;
    --dark-4: #2C2C2C;
    --dark-5: #363636;
    --silver: #C0C0C0;
    --silver-light: #D9D9D9;
    --silver-dark: #8A8A8A;
    --white: #FFFFFF;
    --green-wp: #25D366;
    --green-wp-dark: #1DA851;
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.3);
    --shadow-lg: 0 10px 25px -5px rgba(0,0,0,0.5);
    --shadow-xl: 0 20px 40px -10px rgba(0,0,0,0.6);
    --shadow-red: 0 4px 15px rgba(204, 0, 0, 0.3);
    --glow-red: 0 0 20px rgba(204, 0, 0, 0.15);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
}

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--silver-light);
    background: var(--dark-1);
    line-height: 1.6;
    overflow-x: hidden;
}

.container { max-width: 1280px; margin: 0 auto; padding: 0 1.5rem; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
.text-red { color: var(--red); }
.text-center { text-align: center; }

/* Sections */
.section { padding: 5rem 0; }
.section-header { text-align: center; margin-bottom: 3rem; }
.section-subtitle { display: inline-flex; align-items: center; gap: 0.5rem; color: var(--red); font-weight: 600; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 3px; margin-bottom: 0.5rem; }
.section-title { font-family: 'Oswald', sans-serif; font-size: clamp(2rem, 4vw, 3rem); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 0.75rem; color: var(--white); }
.section-desc { color: var(--silver-dark); max-width: 650px; margin: 0 auto; font-size: 1rem; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.75rem 1.5rem; border-radius: var(--radius-sm); font-weight: 600; font-size: 0.95rem; cursor: pointer; border: 2px solid transparent; transition: var(--transition); font-family: inherit; white-space: nowrap; }
.btn-red { background: var(--red); color: var(--white); border-color: var(--red); }
.btn-red:hover { background: var(--red-light); border-color: var(--red-light); transform: translateY(-2px); box-shadow: var(--shadow-red); }
.btn-whatsapp { background: var(--green-wp); color: var(--white); border-color: var(--green-wp); }
.btn-whatsapp:hover { background: var(--green-wp-dark); border-color: var(--green-wp-dark); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(37,211,102,0.4); }
.btn-outline-light { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.4); }
.btn-outline-light:hover { background: var(--white); color: var(--dark-1); border-color: var(--white); transform: translateY(-2px); }
.btn-outline-dark { background: transparent; color: var(--silver-light); border-color: var(--dark-5); }
.btn-outline-dark:hover { background: var(--red); color: var(--white); border-color: var(--red); transform: translateY(-2px); }
.btn-lg { padding: 1rem 2rem; font-size: 1.05rem; }
.btn-sm { padding: 0.5rem 1rem; font-size: 0.85rem; }
.btn-block { width: 100%; justify-content: center; }

/* Toast */
.toast { position: fixed; top: 100px; right: -450px; background: var(--dark-3); color: var(--white); padding: 1rem 1.5rem; border-radius: var(--radius-sm); display: flex; align-items: center; gap: 0.75rem; z-index: 5000; box-shadow: var(--shadow-xl); border: 1px solid var(--dark-5); transition: right 0.4s ease; font-weight: 500; font-size: 0.92rem; }
.toast.show { right: 1.5rem; }
.toast i { color: var(--green-wp); font-size: 1.2rem; }

/* WhatsApp Float */
.whatsapp-float { position: fixed; bottom: 1.5rem; right: 1.5rem; width: 60px; height: 60px; background: var(--green-wp); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--white); font-size: 1.75rem; z-index: 999; box-shadow: 0 4px 15px rgba(37,211,102,0.4); transition: var(--transition); animation: pulse-green 2s infinite; }
.whatsapp-float:hover { transform: scale(1.1); }
.whatsapp-tooltip { position: absolute; right: 70px; background: var(--dark-2); color: var(--white); padding: 0.5rem 1rem; border-radius: var(--radius-sm); font-size: 0.82rem; font-weight: 600; white-space: nowrap; box-shadow: var(--shadow-lg); border: 1px solid var(--dark-4); opacity: 0; visibility: hidden; transition: var(--transition); }
.whatsapp-float:hover .whatsapp-tooltip { opacity: 1; visibility: visible; }

/* Back to Top */
.back-to-top { position: fixed; bottom: 1.5rem; left: 1.5rem; width: 45px; height: 45px; background: var(--dark-3); border: 1px solid var(--dark-5); color: var(--silver); border-radius: 50%; cursor: pointer; font-size: 1rem; display: flex; align-items: center; justify-content: center; z-index: 999; opacity: 0; visibility: hidden; transform: translateY(20px); transition: var(--transition); }
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--red); color: var(--white); border-color: var(--red); }

/* Animations */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse-green { 0% { box-shadow: 0 0 0 0 rgba(37,211,102,0.4); } 70% { box-shadow: 0 0 0 15px rgba(37,211,102,0); } 100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); } }
@keyframes bounce { 0%, 100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(-5px); } }
[data-aos] { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
[data-aos="fade-right"] { transform: translateX(-30px); }
[data-aos="fade-left"] { transform: translateX(30px); }
[data-aos="zoom-in"] { transform: scale(0.9); }
[data-aos].aos-animate { opacity: 1; transform: translateY(0) translateX(0) scale(1); }