:root {
    --primary-bg: #F8FAFC;
    --primary-text: #0F172A;
    --secondary-bg: #FFFFFF;
    --secondary-text: #475569;
    --accent-color: #2563EB;
    --accent-text: #FFFFFF;
    --card-bg: #FFFFFF;
    --border-color: #E2E8F0;
    --font-family: 'Inter', sans-serif;
    --base-size: 16px;
    --h1-size: clamp(2.5rem, 5vw, 4rem);
    --h2-size: clamp(2rem, 4vw, 3rem);
    --line-height: 1.6;
    --border-radius: 12px;
    --button-padding: 12px 24px;
    --shadows: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

html {
    scroll-behavior: smooth;
    box-sizing: border-box;
}

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

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-family);
    font-size: var(--base-size);
    line-height: var(--line-height);
    color: var(--primary-text);
    background-color: var(--primary-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    margin-top: 0;
    font-weight: 800;
    line-height: 1.2;
    color: inherit;
}

h1 {
    font-size: var(--h1-size);
}

h2 {
    font-size: var(--h2-size);
}

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

button {
    cursor: pointer;
    border: none;
    font-family: inherit;
    transition: transform 0.2s ease, background-color 0.3s ease, box-shadow 0.3s ease;
}

button:active {
    transform: translateY(1px);
}

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

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

input,
textarea,
select {
    font-family: inherit;
    font-size: inherit;
}

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

@media (max-width: 768px) {
    :root {
        --h1-size: clamp(1.85rem, 8vw, 2.5rem);
        --h2-size: clamp(1.5rem, 6vw, 2rem);
    }

    body {
        font-size: 15px;
    }

    h1,
    h2,
    h3,
    p,
    a,
    span {
        overflow-wrap: break-word;
        word-wrap: break-word;
    }
}

/* ===== header ===== */
#site-header {
    font-family: var(--font-family);
}

.js-mobile-menu-overlay {
    will-change: transform;
}

/* ===== hero_section ===== */
#hero {
    font-family: var(--font-family);
}

@keyframes blob {
    0% {
        transform: translate(0px, 0px) scale(1);
    }

    33% {
        transform: translate(30px, -50px) scale(1.1);
    }

    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }

    100% {
        transform: translate(0px, 0px) scale(1);
    }
}

.animate-blob {
    animation: blob 7s infinite;
}

.animation-delay-2000 {
    animation-delay: 2s;
}

@keyframes bounce-slow {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

.animate-bounce-slow {
    animation: bounce-slow 4s ease-in-out infinite;
}

/* ===== clients_logos ===== */
.js-logo-item {
    will-change: opacity, transform;
}

/* ===== results_cards ===== */
.case-studies-section {
    width: 100%
}

/* ===== growth_steps ===== */
.js-modal {
    transition: opacity 0.3s ease;
}

/* ===== booking_form ===== */
#booking .js-calendar-day {
    cursor: pointer;
    transition: all 0.2s ease-in-out;
}

#booking .js-calendar-day:hover:not(.bg-\[var\(--accent-color\)\]) {
    background-color: var(--border-color);
}

#booking select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23475569'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1.5em;
}

/* ===== footer ===== */
#site-footer {
    width: 100%;
    font-family: var(--font-family);
}
    .js-calendar-day {
        transition: all 0.2s ease;
    }
    
    .js-calendar-day:not(.opacity-30):not(.opacity-50):hover {
        transform: translateY(-2px);
    }
    
    .js-time-slot {
        transition: all 0.2s ease;
    }
    
    .js-time-slot:hover {
        transform: translateY(-1px);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }