/* ============================================
   MAIN STYLES - GLOBAL & BASE
   ============================================ */

/* ==================
   RESET & BASE
   ================== */

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: var(--weight-regular);
    line-height: var(--leading-normal);
    color: var(--color-text-primary);
    background-color: var(--color-background);
    overflow-x: hidden;
}

/* ==================
   TYPOGRAPHY
   ================== */

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: var(--weight-semibold);
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
    color: var(--color-charcoal);
    margin-bottom: var(--space-sm);
}

h1 {
    font-size: var(--text-4xl);
    font-weight: var(--weight-light);
    letter-spacing: var(--tracking-tight);
}

h2 {
    font-size: var(--text-3xl);
    font-weight: var(--weight-regular);
}

h3 {
    font-size: var(--text-2xl);
    font-weight: var(--weight-semibold);
}

h4 {
    font-size: var(--text-xl);
}

h5 {
    font-size: var(--text-lg);
}

h6 {
    font-size: var(--text-base);
    font-weight: var(--weight-semibold);
}

p {
    margin-bottom: var(--space-sm);
    color: var(--color-text-primary);
}

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

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

strong,
b {
    font-weight: var(--weight-semibold);
}

em,
i {
    font-style: italic;
}

small {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

/* ==================
   LAYOUT UTILITIES
   ================== */

.container {
    width: 100%;
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

.section {
    padding-top: var(--section-padding-y);
    padding-bottom: var(--section-padding-y);
}

.section--hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.section--accent {
    background-color: var(--color-sand);
}

/* Grid System */
.grid {
    display: grid;
    gap: var(--grid-gap);
}

.grid--2 {
    grid-template-columns: 1fr;
}

.grid--3 {
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .grid--2 {
        grid-template-columns: repeat(2, 1fr);
    }

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

/* Flexbox Utilities */
.flex {
    display: flex;
}

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

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

.flex-col {
    display: flex;
    flex-direction: column;
}

/* Spacing Utilities */
.gap-sm {
    gap: var(--space-sm);
}

.gap-md {
    gap: var(--space-md);
}

.gap-lg {
    gap: var(--space-lg);
}

.mt-sm {
    margin-top: var(--space-sm);
}

.mt-md {
    margin-top: var(--space-md);
}

.mt-lg {
    margin-top: var(--space-lg);
}

.mt-xl {
    margin-top: var(--space-xl);
}

.mb-sm {
    margin-bottom: var(--space-sm);
}

.mb-md {
    margin-bottom: var(--space-md);
}

.mb-lg {
    margin-bottom: var(--space-lg);
}

.mb-xl {
    margin-bottom: var(--space-xl);
}

/* Text Utilities */
.text-center {
    text-align: center;
}

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

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

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

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

.text-uppercase {
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
}

/* ==================
   IMAGES & MEDIA
   ================== */

img,
picture,
video,
canvas,
svg {
    display: block;
    max-width: 100%;
    height: auto;
}

img {
    object-fit: cover;
}

/* ==================
   ACCESSIBILITY
   ================== */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Focus Styles */
:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 4px;
}

/* ==================
   ANIMATIONS
   ================== */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in {
    animation: fadeIn var(--transition-slow) ease-out;
}

.slide-in-left {
    animation: slideInLeft var(--transition-slow) ease-out;
}

.slide-in-right {
    animation: slideInRight var(--transition-slow) ease-out;
}

/* ==================
   SELECTION
   ================== */

::selection {
    background-color: var(--color-terracotta);
    color: var(--color-white);
}

::-moz-selection {
    background-color: var(--color-terracotta);
    color: var(--color-white);
}