:root {
    /* Color Palette */
    --primary-orange: #ff6600;
    /* Adjust to match logo exactly if needed */
    --primary-orange-glow: rgba(255, 102, 0, 0.4);

    --secondary-indigo: #050816;
    /* Deepest background */
    --secondary-blue: #1b3b8f;
    /* Brand blue */
    --secondary-blue-light: #243b9f;

    --accent-teal: #00d4ff;
    /* Digital highlights */

    --bg-dark: #050816;
    --bg-mid: #0f172a;
    --bg-light: #f5f7fc;
    --bg-white: #ffffff;

    --text-light: #f5f7ff;
    --text-dark: #111827;
    --text-muted-light: #94a3b8;
    --text-muted-dark: #4b5563;

    /* Typography */
    --font-main: 'Inter', sans-serif;

    /* Spacing */
    --section-padding: 100px 0;
    --container-width: 1200px;

    /* Effects */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: 1px solid rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

/* Typography Utilities */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.text-light {
    color: var(--text-light);
}

.text-dark {
    color: var(--text-dark);
}

.text-orange {
    color: var(--primary-orange);
}

.text-blue {
    color: var(--secondary-blue);
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--primary-orange);
    color: white;
    box-shadow: 0 4px 15px var(--primary-orange-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--primary-orange-glow);
    background: #ff751a;
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--primary-orange);
    color: var(--primary-orange);
}

.btn-secondary:hover {
    background: var(--primary-orange);
    color: white;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: background 0.3s ease;
    padding: 15px 0;
}

header.scrolled {
    background: rgba(5, 8, 22, 0.95);
    backdrop-filter: blur(10px);
    padding: 10px 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 40px;
    /* Adjust based on actual logo */
    width: auto;
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary-orange);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    overflow: hidden;
    color: var(--text-light);
}

#particles-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-label {
    color: var(--primary-orange);
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 1rem;
    display: block;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted-light);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-btns {
    display: flex;
    gap: 15px;
}

/* Sections General */
section {
    padding: var(--section-padding);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-align: center;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted-dark);
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

/* Digital Solutions */
.digital-section {
    background: var(--bg-mid);
    color: var(--text-light);
}

.digital-section .section-subtitle {
    color: var(--text-muted-light);
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.03);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-orange);
}

.feature-card h3 {
    color: var(--primary-orange);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.feature-card p {
    color: var(--text-muted-light);
    font-size: 0.95rem;
}

.digital-highlight {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    background: rgba(255, 255, 255, 0.02);
    padding: 40px;
    border-radius: 16px;
}

/* Medical Section */
.medical-section {
    background: var(--bg-light);
}

.medical-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.medical-card {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    text-align: center;
}

.medical-card h3 {
    color: var(--secondary-blue);
    margin-bottom: 15px;
}

/* Logistics Section */
.logistics-section {
    background: #e2e8f0;
    /* Mid-tone */
}

.logistics-list {
    list-style: none;
    max-width: 800px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.logistics-list li {
    background: white;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    color: var(--secondary-blue);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

/* Contact Section (Advanced) */
.contact-section {
    background: linear-gradient(135deg, #050816 0%, #0f172a 100%);
    color: var(--text-light);
    position: relative;
    overflow: hidden;
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    position: relative;
    z-index: 2;
}

.contact-form-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.form-group {
    margin-bottom: 20px;
    position: relative;
}

.form-control {
    width: 100%;
    padding: 15px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: white;
    font-size: 1rem;
    transition: all 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-orange);
    box-shadow: 0 0 0 3px rgba(255, 102, 0, 0.1);
    background: rgba(0, 0, 0, 0.5);
}

.form-label {
    position: absolute;
    left: 15px;
    top: 15px;
    color: var(--text-muted-light);
    pointer-events: none;
    transition: all 0.3s;
    font-size: 1rem;
}

.form-control:focus+.form-label,
.form-control:not(:placeholder-shown)+.form-label {
    top: -10px;
    left: 10px;
    font-size: 0.8rem;
    background: var(--bg-dark);
    padding: 0 5px;
    color: var(--primary-orange);
}

.form-select {
    appearance: none;
    cursor: pointer;
}

/* Footer */
footer {
    background: #02040a;
    color: var(--text-muted-light);
    padding: 60px 0 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.footer-links a {
    color: var(--text-muted-light);
    text-decoration: none;
    margin-left: 20px;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: white;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .digital-highlight {
        grid-template-columns: 1fr;
    }

    .medical-grid {
        grid-template-columns: 1fr;
    }

    .contact-layout {
        grid-template-columns: 1fr;
    }

    .nav-links {
        display: none;
    }

    /* Add mobile menu logic later */
}