:root {
    --primary-bg: #0a0a0a;
    --primary-text: #f9fafb;
    --secondary-bg: #111827;
    --secondary-text: #9ca3af;
    --accent-color: #2563eb;
    --accent-text: #ffffff;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    background-color: var(--primary-bg);
    color: var(--primary-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    margin: 0;
    line-height: 1.2;
}

a,
a:hover,
a:focus {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s ease-in-out;
}

button {
    cursor: pointer;
    border: none;
    outline: none;
    background: none;
    font-family: inherit;
    transition: filter 0.2s ease-in-out;
}

button:hover {
    filter: brightness(1.1);
}

button:active {
    filter: brightness(0.9);
}

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

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

:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

@media (max-width: 768px) {
    h1 {
        font-size: clamp(1.875rem, 8vw, 2.5rem);
    }

    h2 {
        font-size: clamp(1.5rem, 6vw, 2rem);
    }

    h3 {
        font-size: clamp(1.25rem, 5vw, 1.75rem);
    }

    .mobile-break-word {
        overflow-wrap: break-word;
        word-wrap: break-word;
        word-break: break-word;
    }
}

/* ===== header ===== */
#header {
    background-color: var(--secondary-bg);
    border-bottom-color: #1f2937
}

.js-mobile-menu-overlay {
    background-color: var(--secondary-bg)
}

/* ===== hero_section ===== */
#hero {
    width: 100%;
}

/* ===== target_audience ===== */
.transition-transform {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== our_approach ===== */
.js-reveal {
    transition: opacity 1s ease-out, transform 1s ease-out;
}

.opacity-0 {
    opacity: 0;
    transform: translateY(20px);
}

.opacity-100 {
    opacity: 1;
    transform: translateY(0);
}

/* ===== benefits ===== */
.bg-primary {
    background-color: var(--primary-bg);
}

.bg-secondary {
    background-color: var(--secondary-bg);
}

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

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

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

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

/* ===== expected_outcomes ===== */
#results {
    width: 100%
}

.js-animate {
    transition-property: opacity, transform;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1)
}

/* ===== tariffs_plans ===== */
#pricing {
    scroll-margin-top: 2rem;
}

.js-pricing-card {
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.4s ease;
}

/* ===== process_steps ===== */
#process {
    scroll-margin-top: 100px;
}

.js-step {
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== testimonials ===== */
#testimonials {
    width: 100%;
    background-color: var(--primary-bg);
}

.js-testimonial-card {
    transition: all 0.7s ease-out;
}

/* ===== faq_section ===== */
.js-faq-content {
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease-in-out;
}

/* ===== footer ===== */
#footer {
    width: 100%;
}

.js-nav-link {
    text-decoration: none;
}