/* Global styles for Tech Assistor website */

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

:root {
    --primary-color: #f97316;
    --secondary-color: #ea580c;
    --accent-color: #f59e0b;
    --text-color: #1f2937;
    --text-secondary: #4b5563;
    --light-gray: #f9fafb;
    --bg-secondary: #f3f4f6;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    overflow-x: hidden;
    background-color: #ffffff;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 2rem;
}

h4 {
    font-size: 1.5rem;
}

h5 {
    font-size: 1.25rem;
}

h6 {
    font-size: 1rem;
}

p {
    margin-bottom: 1.5rem;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: color 0.3s ease;
}

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

ul, ol {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

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

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    padding: 0 1.5rem;
    margin: 0 auto;
}

/* Sections */
section {
    padding: 5rem 0;
}

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

.section-subtitle {
    display: block;
    text-align: center;
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 0.375rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

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

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

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

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

/* Utility classes */
.flex {
    display: flex;
}

.grid {
    display: grid;
}

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

.justify-between {
    justify-content: space-between;
}

.justify-center {
    justify-content: center;
}

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

.gap-8 {
    gap: 2rem;
}

.text-white {
    color: white;
}

.mb-1 {
    margin-bottom: 0.25rem;
}

.mb-2 {
    margin-bottom: 0.5rem;
}

.mb-4 {
    margin-bottom: 1rem;
}

.mb-8 {
    margin-bottom: 2rem;
}

.mt-4 {
    margin-top: 1rem;
}

.mt-8 {
    margin-top: 2rem;
}

.p-4 {
    padding: 1rem;
}

.p-8 {
    padding: 2rem;
}

.rounded {
    border-radius: 0.375rem;
}

.shadow {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Responsive design */
@media (max-width: 992px) {
    html {
        font-size: 15px;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    html {
        font-size: 13px;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
}