/* ============================================
   Serious Security Systems — Custom Styles
   ============================================ */

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

/* Selection */
::selection {
    background: #C2704E;
    color: #fff;
}

/* ============================================
   Navigation
   ============================================ */
.nav-fixed {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-scrolled {
    background: rgba(254, 253, 251, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(194, 112, 78, 0.08);
}

.nav-scrolled .nav-link {
    color: rgba(168, 90, 58, 0.7);
}

/* Mobile menu toggle */
.mobile-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu {
    z-index: 40;
}

.mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

.mobile-menu.open #bar1 {
    transform: translateY(5px) rotate(45deg);
}

.mobile-menu.open #bar2 {
    opacity: 0;
}

.mobile-menu.open #bar3 {
    transform: translateY(-4px) rotate(-45deg);
    width: 1.25rem;
}

/* Mobile links */
.mobile-link {
    transition: opacity 0.3s ease;
}

/* ============================================
   Hero Section
   ============================================ */
.hero-section {
    min-height: 100vh;
}

/* ============================================
   Service Cards
   ============================================ */
.service-card {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card:hover {
    background: #fefdfb;
    transform: translateY(-2px);
}

/* ============================================
   Scroll Reveal Animations
   (Progressive enhancement — content visible without JS)
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 1;
        transform: translateY(0);
        transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), 
                    transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }

    /* Stagger delays for grid items */
    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
    .reveal-delay-5 { transition-delay: 0.5s; }
    .reveal-delay-6 { transition-delay: 0.6s; }
}

/* ============================================
   Form Styles
   ============================================ */
input:focus,
select:focus,
textarea:focus {
    border-color: #C2704E !important;
    background: #fefdfb !important;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 767px) {
    .nav-fixed {
        background: rgba(254, 253, 251, 0.98);
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
    }
}

/* ============================================
   Utility
   ============================================ */
.writing-mode-vertical {
    writing-mode: vertical-rl;
    text-orientation: mixed;
}