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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--th-font-primary);
    font-size: var(--th-font-size-sm);
    font-weight: var(--th-font-weight-regular);
    line-height: var(--th-line-height-normal);
    color: var(--th-text);
    background: var(--th-bg-white);
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    margin-top: 0;
    font-family: var(--th-font-primary);
    font-weight: var(--th-font-weight-bold);
    line-height: var(--th-line-height-tight);
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4.75rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3.25rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
}

p,
li,
a,
button,
input,
textarea,
select {
    font-family: var(--th-font-primary);
}

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

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

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

button {
    font: inherit;
    cursor: pointer;
}

.th-btn {
    background-color: var(--th-orange);
    color: white;
    padding: 0.7rem 1.8rem;
    border-radius: var(--th-radius-sm);
    font-weight: 700;
    text-decoration: none;
    transition: all 0.2s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
}

.th-btn:hover {
    background-color: var(--th-orange-dark);
    transform: translateY(-1px);
    box-shadow: var(--th-shadow-md);
    color: white;
}

.th-btn--secondary {
    min-width: 240px;
    text-align: center;
}

.th-btn--mobile {
    font-size: 1.2rem;
}