/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
    /* Professional Color Palette */
    --primary-color: #0f172a;
    /* Deep Slate Blue */
    --secondary-color: #475569;
    /* Slate Gray */
    --accent-color: #ea580c;
    /* Burnt Orange */
    --accent-hover: #c2410c;
    --light-bg: #f8fafc;
    /* Very light slate */
    --white: #ffffff;
    --dark-text: #1e293b;
    --border-color: #cbd5e1;

    /* Effects */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Outfit', sans-serif;
    color: var(--dark-text);
    background-color: var(--light-bg);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.025em;
}

/* Navbar */
.navbar {
    padding: 1rem 0;
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95) !important;
}

.nav-item {
    padding: 0 0.5rem !important;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color) !important;
}

.brand-highlight {
    color: var(--accent-color);
}

.nav-link {
    font-weight: 500;
    color: var(--secondary-color) !important;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

/* Buttons */
.btn {
    padding: 0.6rem 1.75rem;
    font-weight: 600;
    border-radius: 50rem;
    transition: var(--transition);
}

.btn-primary,
.btn.login {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
}

.btn-primary:hover,
.btn.login:hover {
    background-color: #1e293b;
    border-color: #1e293b;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-accent,
.btn.register,
.track-btn {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--white);
}

.btn-accent:hover,
.btn.register:hover,
.track-btn:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline-light:hover {
    background-color: var(--white);
    color: var(--primary-color);
}

/* Hero Section */
.hero-section {
    position: relative;
    padding: 160px 0 100px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e293b 100%);
    color: var(--white);
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1578575437130-527eed3abbec?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') no-repeat center right;
    background-size: cover;
    opacity: 0.2;
    mask-image: linear-gradient(to right, transparent, black);
    -webkit-mask-image: linear-gradient(to right, transparent, black);
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--white);
}

/* Tracking Box (Home) */
.tracking-box {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 1rem;
    padding: 2.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.tracking-box h3 {
    color: var(--white);
}

.tracking-box label {
    color: #e2e8f0;
}

.tracking-box .form-control {
    background: rgba(255, 255, 255, 0.9);
    border: none;
    height: 50px;
}

/* Page Headers (Sub-pages) */
.page-header {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 120px 0 60px;
    margin-bottom: 3rem;
}

.page-header h1 {
    color: var(--white);
}

/* Cards */
.card {
    border: none;
    border-radius: 1rem;
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.card:hover,
.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 80px;
    height: 80px;
    background-color: rgba(234, 88, 12, 0.1);
    color: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1.5rem;
}

/* Auth Pages */
.auth-page-body .registration-container {
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.auth-page-body .registration-header {
    background: var(--primary-color);
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    color: #cbd5e1;
    margin-top: auto;
}

.footer h3,
.footer h5 {
    color: var(--white);
}

.footer .brand-highlight {
    color: var(--accent-color);
}

.footer a.text-light {
    color: #cbd5e1 !important;
    transition: var(--transition);
}

.footer a.text-light:hover {
    color: var(--accent-color) !important;
}

.social-icon {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-icon:hover {
    background: var(--accent-color);
    color: var(--white);
    transform: scale(1.1);
}

/* Forms */
.form-control,
.form-select {
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    border-color: var(--border-color);
}

.form-control:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px rgba(234, 88, 12, 0.1);
}

.section-title::after {
    background-color: var(--accent-color);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-section {
        padding: 120px 0 80px;
    }
}