/* css/main.css - Global Styles & Layout Grid */

@import url('./variables.css');

/* CSS Resets & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color var(--transition-normal), color var(--transition-normal);
    overflow-x: hidden;
}

/* Typography Base */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1.25;
    transition: color var(--transition-normal);
}

p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    transition: color var(--transition-normal);
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

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

button, input, textarea, select {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    background: none;
    border: none;
    outline: none;
}

/* Layout Containers */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
    position: relative;
}

@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }
}

/* Grid Utilities */
.grid {
    display: grid;
    gap: 32px;
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* Make grids responsive */
@media (max-width: 1024px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

/* Section Header Styles */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px auto;
}

.section-title {
    font-size: 2.75rem;
    margin-bottom: 12px;
    position: relative;
    display: inline-block;
}

.section-title span {
    color: var(--accent-gold);
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: var(--accent-red);
    margin: 15px auto 0 auto;
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 8px;
}

@media (max-width: 768px) {
    .section-title {
        font-size: 2.1rem;
    }
    .section-header {
        margin-bottom: 40px;
    }
}

/* Helper Utilities */
.text-center { text-align: center; }
.w-full { width: 100%; }
.flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Scroll-reveal system using IntersectionObserver */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active,
.reveal-left.active,
.reveal-right.active {
    opacity: 1;
    transform: translate(0);
}

/* Stagger delay classes for lists/grids */
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }
.delay-500 { transition-delay: 500ms; }