:root {
    --primary-background: #ffffff;
    --primary-text: #1e293b;
    --secondary-background: #f8fafc;
    --secondary-text: #64748b;
    --accent-background: #0f172a;
    --accent-text: #f8fafc;
    --button-background: #06b6d4;
    --button-text: #ffffff;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

a,
a:hover,
a:focus {
    text-decoration: none;
    transition: color 0.3s ease-in-out, background-color 0.3s ease-in-out, opacity 0.3s ease-in-out;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    transition: all 0.3s ease-in-out;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

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

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

@media (max-width: 768px) {
    h1 {
        font-size: clamp(1.875rem, 8vw, 2.25rem);
    }

    h2 {
        font-size: clamp(1.5rem, 6vw, 1.875rem);
    }

    h3 {
        font-size: clamp(1.25rem, 5vw, 1.5rem);
    }

    body {
        font-size: 15px;
    }

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

/* ===== site_header ===== */
.js-modal-overlay {
    transition: opacity 0.3s ease-in-out;
}

/* ===== hero_section ===== */
#hero h1 {
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

.js-hero-cta {
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ===== article_list ===== */
#blog {
    width: 100%;
}

.js-animate {
    transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== expert_analysis ===== */
.prose h3 {
    color: var(--primary-text);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.prose p {
    color: var(--secondary-text);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.prose {
    font-size: 1.125rem;
}

/* ===== business_insights ===== */
.js-faq-trigger i.rotate-180 {
    transform: rotate(180deg);
}

/* ===== feedback_form ===== */
#contact .container {
    width: 100%;
}

#contact .js-feedback-form {
    width: 100%;
}

#contact input::placeholder,
#contact textarea::placeholder {
    color: var(--secondary-text);
    opacity: 0.6;
}

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

.tweet-border {
    border-left: 2px solid var(--button-background);
    transition: border-color 0.3s ease
}

.js-insta-img {
    transition: opacity 0.2s ease
}