/*
Theme Name: Tachlion
Theme URI: https://tachlion.com
Author: Tachlion
Author URI: https://tachlion.com
Description: A clean, no-nonsense theme for Tachlion Healthcare Strategy Consulting.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: tachlion
*/

/* === Reset & Base === */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --color-navy: #1a2332;
    --color-navy-light: #2a3a4e;
    --color-white: #ffffff;
    --color-gray-50: #f8f9fa;
    --color-gray-100: #f0f2f4;
    --color-gray-300: #d1d5db;
    --color-gray-600: #4b5563;
    --color-gray-800: #1f2937;
    --color-accent: #2c5f7a;
    --color-accent-hover: #1e4a5f;
    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --max-width: 1140px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
}

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

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-navy);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; margin-bottom: var(--spacing-sm); }
h3 { font-size: 1.25rem; margin-bottom: var(--spacing-xs); }

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

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--color-accent-hover);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

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

.section--gray {
    background-color: var(--color-gray-50);
}

/* === Header === */
.site-header {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-gray-100);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.site-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-navy);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.site-logo:hover {
    color: var(--color-navy);
}

.site-nav ul {
    list-style: none;
    display: flex;
    gap: var(--spacing-md);
}

.site-nav a {
    color: var(--color-gray-600);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.2s ease;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
    color: var(--color-navy);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-navy);
    margin: 5px 0;
    transition: 0.3s;
}

/* === Hero === */
.hero {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-navy);
    color: var(--color-white);
}

.hero h1 {
    color: var(--color-white);
    font-size: 3rem;
    max-width: 700px;
    margin-bottom: var(--spacing-sm);
}

.hero p {
    font-size: 1.15rem;
    color: var(--color-gray-300);
    max-width: 600px;
    margin-bottom: var(--spacing-md);
}

/* === Buttons === */
.btn {
    display: inline-block;
    padding: 0.75rem 1.75rem;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 3px;
    text-decoration: none;
    transition: background-color 0.2s ease, color 0.2s ease;
    cursor: pointer;
    border: none;
}

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

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

.btn--outline {
    background-color: transparent;
    color: var(--color-white);
    border: 1px solid var(--color-white);
}

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

/* === Services Grid === */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.service-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-100);
    padding: var(--spacing-md);
    border-radius: 4px;
}

.service-card h3 {
    color: var(--color-navy);
}

.service-card p {
    color: var(--color-gray-600);
    font-size: 0.95rem;
}

/* === Page Header === */
.page-header {
    background-color: var(--color-navy);
    padding: var(--spacing-lg) 0;
    color: var(--color-white);
}

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

.page-header p {
    color: var(--color-gray-300);
    max-width: 600px;
}

/* === Page Content === */
.page-content {
    padding: var(--spacing-xl) 0;
}

.page-content p,
.page-content li {
    max-width: 700px;
}

/* === Contact === */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.contact-form label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-800);
    margin-bottom: 0.25rem;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.625rem 0.75rem;
    border: 1px solid var(--color-gray-300);
    border-radius: 3px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-sm);
    transition: border-color 0.2s ease;
}

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

.contact-form textarea {
    min-height: 150px;
    resize: vertical;
}

.contact-info h3 {
    margin-bottom: var(--spacing-sm);
}

.contact-info p {
    color: var(--color-gray-600);
}

/* === Footer === */
.site-footer {
    background-color: var(--color-navy);
    color: var(--color-gray-300);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

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

.site-footer p {
    font-size: 0.85rem;
    margin: 0;
}

.site-footer a {
    color: var(--color-gray-300);
}

.site-footer a:hover {
    color: var(--color-white);
}

/* === Responsive === */
@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    .hero h1 { font-size: 2.25rem; }

    .nav-toggle {
        display: block;
    }

    .site-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        border-bottom: 1px solid var(--color-gray-100);
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .site-nav.is-open {
        display: block;
    }

    .site-nav ul {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

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

    .footer-content {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }

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