:root {
    --primary: #7c3aed;
    --primary-dark: #5b21b6;
    --primary-glow: rgba(124, 58, 237, 0.5);
    --secondary: #06b6d4;
    --secondary-glow: rgba(6, 182, 212, 0.5);
    --bg-dark: #0f172a;
    --bg-darker: #0b1120;
    --card-bg: rgba(255, 255, 255, 0.04);
    --card-border: rgba(255, 255, 255, 0.08);
    --text-light: #ffffff;
    --text-muted: #94a3b8;
    --transition-duration: 0.3s;
    --transition-easing: cubic-bezier(0.4, 0, 0.2, 1);
    --site-header-height: 80px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    min-width: 0;
    overflow-x: clip;
    background-color: var(--bg-dark);
    color: var(--text-light);
    font-family: "Inter", sans-serif;
    line-height: 1.6;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--text-light);
    font-family: "Poppins", sans-serif;
}

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

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

button,
a {
    -webkit-tap-highlight-color: transparent;
}

button {
    font: inherit;
}

ul {
    list-style: none;
}

:focus-visible {
    outline: 3px solid var(--secondary);
    outline-offset: 4px;
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-darker);
}

::-webkit-scrollbar-thumb {
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.2);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

.skip-link {
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 1000;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    background: var(--text-light);
    color: var(--bg-darker);
    font-weight: 700;
    transform: translateY(-200%);
    transition: transform var(--transition-duration) var(--transition-easing);
}

.skip-link:focus {
    transform: translateY(0);
}

.container {
    width: min(90%, 1200px);
    margin-inline: auto;
}

.section {
    position: relative;
    z-index: 2;
    padding: 100px 0;
}

section[id] {
    scroll-margin-top: 100px;
}

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

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

.paragraph-spaced {
    margin-bottom: 15px;
}

.gradient-text {
    background: linear-gradient(to right, var(--secondary), var(--primary));
    background-clip: text;
    -webkit-background-clip: text;
    color: var(--text-light);
    -webkit-text-fill-color: transparent;
}

.section-header {
    margin-bottom: 60px;
}

.section-header h2 {
    margin-bottom: 15px;
    font-size: 2.5rem;
}

.section-header p {
    max-width: 600px;
    margin-inline: auto;
    color: var(--text-muted);
    font-size: 1.1rem;
}

.section-header-compact {
    margin-bottom: 20px;
}

.btn {
    position: relative;
    z-index: 1;
    display: inline-block;
    flex-shrink: 0;
    min-height: 44px;
    padding: 14px 28px;
    overflow: hidden;
    border: 0;
    border-radius: 50px;
    cursor: pointer;
    font-family: "Poppins", sans-serif;
    font-weight: 600;
    white-space: nowrap;
    transition:
        color var(--transition-duration) var(--transition-easing),
        border-color var(--transition-duration) var(--transition-easing),
        box-shadow var(--transition-duration) var(--transition-easing),
        transform var(--transition-duration) var(--transition-easing);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    box-shadow: 0 4px 15px var(--primary-glow);
    color: var(--text-light);
}

.btn-primary:hover {
    box-shadow: 0 8px 25px var(--primary-glow);
    transform: translateY(-3px);
}

.btn-outline {
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: transparent;
    color: var(--text-light);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    border-color: var(--secondary);
    color: var(--secondary);
    transform: translateY(-3px);
}

.btn-large {
    padding: 16px 40px;
    font-size: 1.1rem;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}