/* ==========================================================================
   SARISTEC - Premium Corporate & Audiovisual Technology Design System
   Inspirado em Bose Pro, Bang & Olufsen, Crestron, JBL Professional
   ========================================================================== */

:root {
    --primary-color: #dd9b0e;
    --primary-hover: #c2850a;
    --dark-bg: #111111;
    --dark-card: #1d1d1d;
    --dark-border: #2a2a2a;
    --light-bg: #f9f9f9;
    --light-card: #ffffff;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-dark: #111111;
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --shadow-premium: 0 20px 40px rgba(0, 0, 0, 0.4);
    --glass-bg: rgba(29, 29, 29, 0.75);
    --glass-border: rgba(255, 255, 255, 0.08);
}

/* Light Theme overrides */
body.light-theme {
    --dark-bg: #f5f5f5;
    --dark-card: #ffffff;
    --dark-border: #e2e8f0;
    --text-primary: #111111;
    --text-secondary: #555555;
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(0, 0, 0, 0.08);
}

body {
    background-color: var(--dark-bg);
    color: var(--text-primary);
    font-family: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
    margin: 0;
    padding: 0;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--dark-bg);
}
::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

/* Scroll Progress Bar */
#scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: var(--primary-color);
    width: 0%;
    z-index: 1050;
    transition: width 0.1s linear;
}

/* Typography & Utility */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.02em;
}

.text-gold {
    color: var(--primary-color) !important;
}

.bg-gold {
    background-color: var(--primary-color) !important;
}

.btn-gold {
    background-color: var(--primary-color);
    color: #ffffff;
    font-weight: 600;
    border-radius: 50px;
    padding: 12px 30px;
    transition: var(--transition);
    border: 2px solid var(--primary-color);
}
.btn-gold:hover {
    background-color: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(221, 155, 14, 0.3);
}

.btn-outline-gold {
    background-color: transparent;
    color: var(--text-primary);
    font-weight: 600;
    border-radius: 50px;
    padding: 12px 30px;
    border: 2px solid var(--dark-border);
    transition: var(--transition);
}
.btn-outline-gold:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* Navbar */
.navbar-saristec {
    background: transparent;
    transition: var(--transition);
    padding: 20px 0;
    z-index: 1030;
}
.navbar-saristec.scrolled {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--glass-border);
    padding: 12px 0;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}
.navbar-saristec .nav-link {
    color: var(--text-primary) !important;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 8px 16px !important;
    transition: var(--transition);
}
.navbar-saristec .nav-link:hover,
.navbar-saristec .nav-link.active {
    color: var(--primary-color) !important;
}

/* Mega Menu */
.dropdown-mega {
    position: static !important;
}
.dropdown-mega .dropdown-menu {
    width: 100%;
    left: 0;
    right: 0;
    background: var(--dark-card);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-premium);
    padding: 30px;
    border-radius: 16px;
    margin-top: 15px;
}

/* Hero Section */
.hero-fullscreen {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.hero-video-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    z-index: -2;
}
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(17,17,17,0.9) 0%, rgba(17,17,17,0.6) 100%);
    z-index: -1;
}

/* Cards & Glassmorphism */
.card-saristec {
    background: var(--dark-card);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    transition: var(--transition);
    overflow: hidden;
}
.card-saristec:hover {
    transform: translateY(-8px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 40px rgba(221, 155, 14, 0.15);
}

/* Floating WhatsApp & Back to Top */
.floating-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25d366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: var(--transition);
}
.floating-whatsapp:hover {
    transform: scale(1.1);
    color: white;
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    left: 30px;
    background-color: var(--dark-card);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}
.back-to-top.show {
    opacity: 1;
    visibility: visible;
}
.back-to-top:hover {
    background-color: var(--primary-color);
    color: white;
}

/* Footer */
.footer-saristec {
    background-color: #0b0b0b;
    border-top: 1px solid var(--dark-border);
    padding: 80px 0 30px 0;
}