:root {
    --color-black: #111111;
    --color-graphite: #232323;
    --color-white: #F8F8F8;
    --color-red: #D7000F;
    --color-silver: #B9BDC5;
    --color-surface: rgba(255, 255, 255, 0.08);
    --color-border: rgba(255, 255, 255, 0.16);
    --shadow-soft: 0 20px 50px rgba(0, 0, 0, 0.18);
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 10px;
    --container: min(1180px, calc(100% - 2rem));
    --transition: 280ms ease;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    color: var(--color-white);
    background: var(--color-black);
    line-height: 1.6;
}

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

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

.container {
    width: var(--container);
    margin: 0 auto;
}

section {
    padding: 5rem 0;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Manrope', sans-serif;
    margin: 0 0 1rem;
    line-height: 1.1;
}

p {
    margin: 0;
    color: rgba(248, 248, 248, 0.8);
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.95rem 1.4rem;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 600;
    transition: transform var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
}

.btn:hover {
    transform: translateY(-3px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-red), #f03d4a);
    color: var(--color-white);
    box-shadow: 0 12px 30px rgba(215, 0, 15, 0.28);
}

.btn-secondary {
    border-color: var(--color-border);
    background: rgba(255, 255, 255, 0.04);
    color: var(--color-white);
}

.section-heading {
    max-width: 720px;
    margin-bottom: 2.5rem;
}

.section-heading .eyebrow {
    display: inline-block;
    margin-bottom: 0.8rem;
    color: var(--color-red);
    letter-spacing: 0.25em;
    text-transform: uppercase;
    font-size: 0.8rem;
    font-weight: 700;
}

.section-heading h2 {
    font-size: clamp(1.8rem, 3.2vw, 2.7rem);
    margin-bottom: 0.75rem;
}

.section-heading p {
    font-size: 1rem;
}