/* ============================================
   JP Logistics — Modern tech design system
   ============================================ */

/* --- Preloader (keep first for immediate paint) --- */
#preloader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--bg-dark-primary, #0a0e17);
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#preloader.preloader-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

#preloader .preloader-logo {
    width: 56px;
    height: 56px;
    margin-bottom: 1.5rem;
    color: var(--accent-primary, #06b6d4);
    animation: preloader-pulse 1.2s ease-in-out infinite;
}

#preloader .preloader-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(6, 182, 212, 0.2);
    border-top-color: var(--accent-primary, #06b6d4);
    border-radius: 50%;
    animation: preloader-spin 0.9s linear infinite;
}

#preloader .preloader-text {
    margin-top: 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary, #94a3b8);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

@keyframes preloader-spin {
    to { transform: rotate(360deg); }
}

@keyframes preloader-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.85; transform: scale(1.02); }
}

:root {
    /* Core palette — tech dark */
    --bg-dark-primary: #0a0e17;
    --bg-dark-secondary: #111827;
    --bg-dark-tertiary: #1e293b;
    --bg-dark-elevated: #1a2332;
    --accent-primary: #06b6d4;
    --accent-secondary: #22d3ee;
    --accent-muted: #0891b2;
    --accent-glow: rgba(6, 182, 212, 0.4);
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border-default: #334155;
    --border-subtle: #1e293b;

    /* Hero */
    --hero-image: url('https://thumbs.dreamstime.com/b/logistics-truck-plane-global-map-blue-background-international-customs-day-banner-logistics-truck-plane-global-map-358322335.jpg');
    --hero-overlay: linear-gradient(180deg, rgba(10, 14, 23, 0.85) 0%, rgba(10, 14, 23, 0.95) 100%);

    /* Tokens */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.25rem;
    --radius-2xl: 1.5rem;
    --radius-3xl: 2rem;
    --transition-fast: 0.15s ease;
    --transition-base: 0.2s ease;
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-focus: 0 0 0 2px var(--bg-dark-primary), 0 0 0 4px var(--accent-primary);
    --shadow-glow: 0 0 40px -8px var(--accent-glow);
    --shadow-card: 0 4px 24px -4px rgba(0, 0, 0, 0.4);
    --glass-bg: rgba(17, 24, 39, 0.6);
    --glass-border: rgba(51, 65, 85, 0.6);
}

/* Base */
html {
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

body {
    font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-dark-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography — Plus Jakarta Sans + tech feel */
h1, h2, h3, h4 {
    letter-spacing: -0.025em;
}

/* Gradient text utility */
.text-gradient {
    background: linear-gradient(135deg, var(--accent-secondary) 0%, var(--accent-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Cards — glass + subtle border */
.card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-card);
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-base);
}

.card:hover {
    border-color: rgba(6, 182, 212, 0.3);
    box-shadow: var(--shadow-card), 0 0 24px -4px var(--accent-glow);
}

/* Stats section — modern blocks */
#stats-section .grid > div {
    position: relative;
    padding: 1.5rem;
    border-radius: var(--radius-xl);
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

#stats-section .grid > div:hover {
    border-color: rgba(6, 182, 212, 0.25);
    box-shadow: 0 0 20px -4px var(--accent-glow);
}

#stats-section .grid > div h3 {
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    letter-spacing: -0.03em;
}

/* Desktop sidebar — glass */
.desktop-nav {
    transition: width var(--transition-smooth);
    background: var(--glass-bg) !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-right: 1px solid var(--glass-border);
}

.desktop-nav .nav-text {
    opacity: 0;
    transition: opacity var(--transition-base);
}

.desktop-nav:hover .nav-text {
    opacity: 1;
}

.desktop-nav a[href="#"] {
    border-left: 3px solid var(--accent-primary);
    background: rgba(6, 182, 212, 0.08) !important;
}

/* Hero */
.hero-bg {
    position: relative;
    background-image: var(--hero-image);
    background-size: cover;
    background-position: center;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--hero-overlay);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-content .text-gradient {
    background: linear-gradient(135deg, var(--accent-secondary) 0%, var(--accent-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Page headers */
.page-header-bg {
    position: relative;
    background-size: cover;
    background-position: center;
}

.page-header-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, var(--bg-dark-primary), rgba(10, 14, 23, 0.7));
    z-index: 1;
}

.page-header-content {
    position: relative;
    z-index: 2;
}

/* Buttons — primary tech style */
a.bg-indigo-600,
button.bg-indigo-600,
.bg-indigo-600 {
    background: linear-gradient(135deg, var(--accent-muted) 0%, var(--accent-primary) 100%) !important;
    border: none;
    box-shadow: 0 4px 20px -2px var(--accent-glow);
}

a.bg-indigo-600:hover,
button.bg-indigo-600:hover,
.bg-indigo-600:hover {
    box-shadow: 0 8px 32px -4px var(--accent-glow);
    filter: brightness(1.05);
}

/* CTA block — gradient + glow */
section .bg-indigo-600.rounded-2xl {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.2) 0%, rgba(8, 145, 178, 0.25) 100%) !important;
    border: 1px solid rgba(6, 182, 212, 0.3);
    box-shadow: 0 0 60px -12px var(--accent-glow);
}

section .bg-indigo-600.rounded-2xl .text-indigo-200 {
    color: var(--text-secondary) !important;
}

section .bg-indigo-600.rounded-2xl a.bg-white {
    background: linear-gradient(135deg, var(--accent-secondary) 0%, var(--accent-primary) 100%) !important;
    color: var(--bg-dark-primary) !important;
    border: none;
}

section .bg-indigo-600.rounded-2xl a.bg-white:hover {
    filter: brightness(1.1);
    box-shadow: 0 4px 20px -2px var(--accent-glow);
}

/* Testimonial highlight card */
.bg-indigo-900\/50.border-indigo-500 {
    background: rgba(6, 182, 212, 0.08) !important;
    border-color: rgba(6, 182, 212, 0.4) !important;
    box-shadow: 0 0 24px -4px var(--accent-glow);
}

.bg-indigo-900\/50 .text-indigo-300 {
    color: var(--accent-secondary) !important;
}

/* Forms */
.form-input {
    background-color: var(--bg-dark-tertiary);
    border: 1px solid var(--border-default);
    color: var(--text-primary);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-input:focus {
    background-color: var(--bg-dark-secondary);
    border-color: var(--accent-primary);
    outline: none;
    box-shadow: var(--shadow-focus);
}

.form-input:focus-visible {
    box-shadow: var(--shadow-focus);
}

/* Focus visible */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* FAB mobile menu */
.fab-menu-button {
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
    background: linear-gradient(135deg, var(--accent-muted) 0%, var(--accent-primary) 100%) !important;
    box-shadow: 0 4px 24px -2px var(--accent-glow);
}

.fab-menu-button:hover {
    box-shadow: 0 8px 32px -4px var(--accent-glow);
}

.fab-menu-button.active {
    transform: rotate(45deg);
}

.fab-menu-items {
    transition: transform var(--transition-smooth), opacity var(--transition-smooth);
    transform-origin: bottom center;
}

.fab-menu-item {
    transition: transform var(--transition-smooth), opacity var(--transition-smooth);
}

.fab-menu-item div.bg-white {
    background: var(--bg-dark-elevated) !important;
    border: 1px solid var(--border-default);
}

.fab-menu-item .text-indigo-600 {
    color: var(--accent-primary) !important;
}

/* Footer */
footer {
    background: var(--bg-dark-secondary) !important;
    border-top-color: var(--border-default) !important;
}

footer .border-t.border-gray-700 {
    border-color: var(--border-default) !important;
}

/* Icon accent — cyan where indigo was used in nav/headers */
nav .text-indigo-400,
header .text-indigo-400,
svg.text-indigo-400 {
    color: var(--accent-primary) !important;
}

/* Service card images — subtle overlay on hover */
.card.rounded-2xl.overflow-hidden.group img {
    transition: transform var(--transition-smooth);
}

.card.rounded-2xl.overflow-hidden.group:hover img {
    transform: scale(1.04);
}

/* Utilities */
@keyframes slide-in {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.animate-slide-in {
    animation: slide-in 0.3s ease-out;
}

@keyframes fade-up {
    from { transform: translateY(12px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.animate-fade-up {
    animation: fade-up 0.5s ease-out;
}

/* Layout */
.layout-container {
    display: flex;
    min-height: 100vh;
    flex-direction: column;
}

.layout-main {
    flex: 1;
}

/* Tailwind overrides for accent consistency */
.hover\:bg-indigo-600:hover,
.hover\:text-indigo-500\/50:hover,
.focus\:ring-indigo-500:focus,
.focus\:ring-offset-gray-900:focus {
    /* Keep Tailwind classes; CSS above targets specific components */
}

/* Section backgrounds — subtle depth */
section.bg-gray-800 {
    background: var(--bg-dark-secondary) !important;
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}