/* ========================================
   DRS Marketplace LLC — Custom Styles
   ======================================== */

/* Base & Typography */
html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

::selection {
    background-color: rgba(123, 45, 59, 0.15);
    color: #3D141A;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #FFF8F6;
}
::-webkit-scrollbar-thumb {
    background: #D4566A;
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: #7B2D3B;
}

/* ========================================
   Navigation
   ======================================== */
#navbar {
    background: transparent;
    transition: background 0.5s ease, box-shadow 0.5s ease, backdrop-filter 0.5s ease;
}

#navbar.scrolled {
    background: rgba(255, 248, 246, 0.92);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(123, 45, 59, 0.08);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 1px;
    background: currentColor;
    opacity: 0;
    transform: scaleX(0);
    transition: opacity 0.3s ease, transform 0.3s ease;
    transform-origin: left;
}

.nav-link:hover::after {
    opacity: 0.3;
    transform: scaleX(1);
}

/* Mobile Menu */
#mobile-menu {
    transition: opacity 0.4s ease, pointer-events 0.4s ease;
}

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

#mobile-menu.inactive {
    opacity: 0;
    pointer-events: none;
}

.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

#mobile-menu.active .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

#mobile-menu.active .mobile-link:nth-child(1) { transition-delay: 0.1s; }
#mobile-menu.active .mobile-link:nth-child(2) { transition-delay: 0.15s; }
#mobile-menu.active .mobile-link:nth-child(3) { transition-delay: 0.2s; }
#mobile-menu.active .mobile-link:nth-child(4) { transition-delay: 0.25s; }
#mobile-menu.active .mobile-link:nth-child(5) { transition-delay: 0.3s; }

/* Menu Button */
.menu-line {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

#menu-btn.active .menu-line:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}
#menu-btn.active .menu-line:nth-child(2) {
    opacity: 0;
}
#menu-btn.active .menu-line:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
    width: 5px;
}

/* ========================================
   Hero Section
   ======================================== */
.hero-content {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.hero-image-container {
    opacity: 0;
    transform: translateX(30px);
    animation: fadeInRight 0.8s ease 0.2s forwards;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Scroll Indicator */
.scroll-line {
    animation: scrollDown 1.5s ease-in-out infinite;
}

@keyframes scrollDown {
    0% { top: -16px; opacity: 0; }
    50% { opacity: 1; }
    100% { top: 16px; opacity: 0; }
}

/* ========================================
   Service Cards
   ======================================== */
.service-card {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.service-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.service-card:nth-child(1) { transition-delay: 0s; }
.service-card:nth-child(2) { transition-delay: 0.08s; }
.service-card:nth-child(3) { transition-delay: 0.16s; }
.service-card:nth-child(4) { transition-delay: 0.24s; }
.service-card:nth-child(5) { transition-delay: 0.32s; }
.service-card:nth-child(6) { transition-delay: 0.40s; }

/* ========================================
   About Section
   ======================================== */
.about-image {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.about-image.visible {
    opacity: 1;
    transform: translateX(0);
}

.about-content {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.8s ease 0.2s, transform 0.8s ease 0.2s;
}

.about-content.visible {
    opacity: 1;
    transform: translateX(0);
}

/* ========================================
   Process Steps
   ======================================== */
.process-step {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.process-step.visible {
    opacity: 1;
    transform: translateY(0);
}

.process-step:nth-child(1) { transition-delay: 0s; }
.process-step:nth-child(2) { transition-delay: 0.1s; }
.process-step:nth-child(3) { transition-delay: 0.2s; }
.process-step:nth-child(4) { transition-delay: 0.3s; }

/* ========================================
   FAQ Accordion
   ======================================== */
.faq-btn {
    transition: background-color 0.3s ease;
}

.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-content.open {
    max-height: 200px;
}

.faq-icon {
    flex-shrink: 0;
}

/* ========================================
   Contact Form
   ======================================== */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%237B2D3B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* ========================================
   Utility Animations
   ======================================== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Responsive Adjustments
   ======================================== */
@media (max-width: 767px) {
    .hero-image-container {
        order: -1;
        opacity: 0;
        transform: translateY(20px);
        animation: fadeInUp 0.8s ease 0.2s forwards;
    }

    .floating-card {
        display: none;
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    .hero-image-container {
        opacity: 0;
        transform: translateX(20px);
        animation: fadeInRight 0.8s ease 0.2s forwards;
    }
}

/* ========================================
   Print Styles
   ======================================== */
@media print {
    #navbar, .scroll-indicator, #contact-form {
        display: none;
    }

    body {
        background: white;
        color: black;
    }
}