/* ========================================
   PRECISION MED LNC - Main Stylesheet
   Professional Legal Nurse Consulting Website
   ======================================== */

/* ========================================
   CSS VARIABLES - Color Scheme & Typography
   ======================================== */
:root {
    /* Primary Colors - Professional Medical/Legal */
    --primary-navy: #1a3a52;
    --primary-blue: #2c5f8d;
    --accent-teal: #1b9aaa;
    --accent-light-teal: #37b5c5;

    /* Neutral Colors */
    --white: #ffffff;
    --off-white: #f8f9fa;
    --light-gray: #e8eef2;
    --medium-gray: #6c757d;
    --dark-gray: #2d3748;
    --charcoal: #1a202c;

    /* Semantic Colors */
    --success-green: #28a745;
    --warning-amber: #ffc107;
    --error-red: #dc3545;

    /* Typography */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-headings: 'Georgia', 'Times New Roman', serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ========================================
   RESET & BASE STYLES
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    color: var(--dark-gray);
    line-height: 1.7;
    background-color: var(--white);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-headings);
    color: var(--primary-navy);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--dark-gray);
}

a {
    color: var(--accent-teal);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-blue);
}

ul, ol {
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

/* ========================================
   UTILITY CLASSES
   ======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
}

.section-alt {
    background-color: var(--off-white);
}

.text-center {
    text-align: center;
}

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

.text-accent {
    color: var(--accent-teal);
}

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background-color: var(--accent-teal);
    color: var(--white);
    border-color: var(--accent-teal);
}

.btn-primary:hover {
    background-color: var(--accent-light-teal);
    border-color: var(--accent-light-teal);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-navy);
    border-color: var(--primary-navy);
}

.btn-outline:hover {
    background-color: var(--primary-navy);
    color: var(--white);
    transform: translateY(-2px);
}

/* ========================================
   NAVIGATION
   ======================================== */
.navbar {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem var(--spacing-md);
    max-width: 1400px;
    margin: 0 auto;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-navy);
    font-family: var(--font-headings);
}

.nav-logo span {
    color: var(--accent-teal);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
}

.nav-menu li a {
    color: var(--dark-gray);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

.nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-teal);
    transition: width var(--transition-normal);
}

.nav-menu li a:hover::after,
.nav-menu li a.active::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-navy);
    transition: all var(--transition-normal);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--primary-blue) 100%);
    color: var(--white);
    padding: 8rem var(--spacing-md) 6rem;
    margin-top: 70px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" xmlns="http://www.w3.org/2000/svg"><path d="M0 0h60v60H0z" fill="none"/><path d="M30 0l30 30-30 30L0 30z" fill="rgba(255,255,255,0.03)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero h1 {
    color: var(--white);
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--light-gray);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   SPECIALTY BANNER
   ======================================== */
.specialty-banner {
    background-color: var(--accent-teal);
    color: var(--white);
    padding: var(--spacing-md) 0;
    text-align: center;
}

.specialty-banner h3 {
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.specialty-tags {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-sm);
}

.specialty-tag {
    background-color: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1.25rem;
    border-radius: 20px;
    font-weight: 500;
    backdrop-filter: blur(10px);
}

/* ========================================
   SERVICES SECTION
   ======================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.service-card {
    background-color: var(--white);
    border: 1px solid var(--light-gray);
    border-radius: 8px;
    padding: var(--spacing-md);
    transition: all var(--transition-normal);
    position: relative;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: linear-gradient(180deg, var(--accent-teal), var(--accent-light-teal));
    transition: height var(--transition-normal);
    border-radius: 8px 0 0 8px;
}

.service-card:hover::before {
    height: 100%;
}

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

.service-icon {
    font-size: 2.5rem;
    color: var(--accent-teal);
    margin-bottom: var(--spacing-sm);
}

.service-card h3 {
    color: var(--primary-navy);
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    color: var(--medium-gray);
    line-height: 1.7;
}

.service-specialty {
    background-color: var(--off-white);
    padding: var(--spacing-sm);
    border-radius: 4px;
    margin-top: var(--spacing-sm);
    font-size: 0.9rem;
    font-style: italic;
    color: var(--accent-teal);
}

/* ========================================
   WHY CHOOSE US SECTION
   ======================================== */
.why-choose {
    background: linear-gradient(135deg, var(--off-white) 0%, var(--light-gray) 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.feature-item {
    text-align: center;
    padding: var(--spacing-md);
}

.feature-icon {
    font-size: 3rem;
    color: var(--accent-teal);
    margin-bottom: var(--spacing-sm);
}

.feature-item h4 {
    color: var(--primary-navy);
    margin-bottom: var(--spacing-sm);
}

.feature-item p {
    color: var(--medium-gray);
}

/* ========================================
   PROCESS SECTION
   ======================================== */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    position: relative;
}

.process-step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-teal), var(--accent-light-teal));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto var(--spacing-sm);
    box-shadow: var(--shadow-md);
}

.process-step h4 {
    color: var(--primary-navy);
    margin-bottom: var(--spacing-sm);
}

.process-step p {
    color: var(--medium-gray);
}

/* ========================================
   TESTIMONIALS SECTION
   ======================================== */
.testimonials {
    background-color: var(--primary-navy);
    color: var(--white);
}

.testimonials h2 {
    color: var(--white);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.testimonial-card {
    background-color: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md);
    border-radius: 8px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.testimonial-text {
    font-style: italic;
    margin-bottom: var(--spacing-sm);
    line-height: 1.8;
    color: var(--white);
    font-size: 1.05rem;
}

.testimonial-author {
    font-weight: 600;
    color: var(--accent-light-teal);
}

.testimonial-role {
    font-size: 0.9rem;
    color: var(--light-gray);
}

/* ========================================
   CONTACT SECTION
   ======================================== */
.contact {
    background: linear-gradient(135deg, var(--off-white) 0%, var(--white) 100%);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.contact-info h3 {
    color: var(--primary-navy);
    margin-bottom: var(--spacing-md);
}

.contact-details {
    list-style: none;
    margin: 0;
}

.contact-details li {
    display: flex;
    align-items: start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.contact-icon {
    color: var(--accent-teal);
    font-size: 1.5rem;
    margin-top: 4px;
}

.contact-form {
    background-color: var(--white);
    padding: var(--spacing-md);
    border-radius: 8px;
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--primary-navy);
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--light-gray);
    border-radius: 4px;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-teal);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-error {
    color: var(--error-red);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
    display: none;
}

.form-group.error input,
.form-group.error textarea,
.form-group.error select {
    border-color: var(--error-red);
}

.form-group.error .form-error {
    display: block;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background-color: var(--charcoal);
    color: var(--light-gray);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.footer-section h4 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.footer-section p,
.footer-section li {
    color: var(--light-gray);
    line-height: 1.8;
}

.footer-section ul {
    list-style: none;
    margin: 0;
}

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section a {
    color: var(--light-gray);
    transition: color var(--transition-fast);
}

.footer-section a:hover {
    color: var(--accent-light-teal);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--medium-gray);
}

/* ========================================
   ANIMATIONS & EFFECTS
   ======================================== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

/* ========================================
   SECTION HEADINGS
   ======================================== */
.section-heading {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-heading h2 {
    font-size: 2.5rem;
    color: var(--primary-navy);
    margin-bottom: var(--spacing-sm);
}

.section-heading .accent-line {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-teal), var(--accent-light-teal));
    margin: 0 auto var(--spacing-sm);
    border-radius: 2px;
}

.section-heading p {
    font-size: 1.1rem;
    color: var(--medium-gray);
    max-width: 700px;
    margin: 0 auto;
}