/* ================================================
   BASE STYLES - Reset & Foundation
   Elevate Agency
   ================================================ */

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family-body);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--color-foreground);
    background-color: var(--color-background);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ========== TYPOGRAPHY ========== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-display);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--color-foreground);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
    margin-bottom: var(--spacing-4);
    color: var(--color-muted-foreground);
}

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

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

/* ========== LISTS ========== */
ul, ol {
    list-style: none;
}

/* ========== IMAGES ========== */
img, svg {
    display: block;
    max-width: 100%;
    height: auto;
}

/* ========== FORMS ========== */
button,
input,
select,
textarea {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
    color: inherit;
}

button {
    cursor: pointer;
    background: none;
    border: none;
}

input,
select,
textarea {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    background-color: var(--color-white);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--border-radius-lg);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
}

input::placeholder,
textarea::placeholder {
    color: var(--color-gray-400);
}

select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-3) center;
    padding-right: var(--spacing-10);
}

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

label {
    display: block;
    margin-bottom: var(--spacing-2);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
    color: var(--color-foreground);
}

/* ========== UTILITY CLASSES ========== */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--spacing-24) 0;
}

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

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

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

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

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

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

.font-display {
    font-family: var(--font-family-display);
}

.font-semibold {
    font-weight: var(--font-weight-semibold);
}

.font-bold {
    font-weight: var(--font-weight-bold);
}

/* ========== SELECTION ========== */
::selection {
    background-color: var(--color-primary);
    color: var(--color-white);
}

/* ========== SCROLLBAR ========== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--color-gray-400);
    border-radius: var(--border-radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-gray-500);
}

/* ========== FOCUS VISIBLE ========== */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}