:root {
    --color-bg: #181a1b;
    --color-bg-alt: #23272b;
    --color-text: #fff;
    --color-primary: #2563eb;
    --color-secondary: #ffe066;
    --color-border: #2563eb55;
}

body {
    background: var(--color-bg);
    color: var(--color-text);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

html {
    box-sizing: border-box;
    overflow-x: hidden;
}

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

body.light-mode {
    --color-bg: #f6f8fa;
    --color-bg-alt: #fff;
    --color-text: #181a1b;
    --color-primary: #2563eb;
    --color-secondary: #ffe066;
    --color-border: #2563eb55;
}

.reference-hero {
    background: linear-gradient(120deg, var(--color-primary) 0%, var(--color-bg) 100%);
    color: var(--color-text);
    text-align: center;
    padding: 4rem 1rem 2rem 1rem;
}
.reference-hero h1 {
    font-size: 2.7rem;
    font-family: 'Montserrat', sans-serif;
    font-weight: 900;
    margin-bottom: 1.2rem;
}
.reference-hero p {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto;
    font-weight: 500;
}

.reference-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    max-width: 1100px;
    margin: 3rem auto 2rem auto;
    padding: 0 1rem;
}

.reference-card {
    background: var(--color-bg-alt);
    border-radius: 16px;
    box-shadow: 0 4px 24px #000a;
    padding: 2.2rem 1.5rem 1.5rem 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: relative;
    transition: transform 0.25s, box-shadow 0.25s;
    color: var(--color-text);
}

.reference-card:hover {
    transform: translateY(-8px) scale(1.03);
    box-shadow: 0 8px 32px #2563eb55;
}

.reference-stars {
    color: var(--color-secondary);
    font-size: 1.2rem;
    margin-bottom: 0.7rem;
}

.reference-card blockquote {
    font-size: 1.13rem;
    color: var(--color-text);
    font-style: italic;
    margin: 0 0 1.5rem 0;
    line-height: 1.7;
    border-left: 4px solid var(--color-primary);
    padding-left: 1em;
}

.reference-user {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: auto;
}

.reference-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--color-primary);
    background: #fff;
}

.reference-avatar-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: #fff;
    font-size: 1.7rem;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    border: 2px solid var(--color-primary);
}

.reference-user strong {
    color: var(--color-primary);
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    font-size: 1.08rem;
}

.reference-cta {
    text-align: center;
    padding: 3rem 1rem 4rem 1rem;
    background: linear-gradient(120deg, var(--color-primary) 0%, var(--color-bg) 100%);
    color: var(--color-text);
    border-radius: 18px;
    max-width: 900px;
    margin: 3rem auto 2rem auto;
    box-shadow: 0 4px 24px #000a;
}
.reference-cta h2 {
    font-size: 2rem;
    font-family: 'Montserrat', sans-serif;
    font-weight: 900;
    margin-bottom: 1.2rem;
}
.reference-cta p {
    font-size: 1.15rem;
    margin-bottom: 2rem;
}
.reference-cta .btn-main {
    font-size: 1.2rem;
    padding: 1rem 2.5rem;
    border-radius: 10px;
    font-family: 'Montserrat', 'Segoe UI', Arial, sans-serif;
    font-weight: 700;
    box-shadow: 0 4px 24px #2563eb55;
    background: var(--color-primary);
    color: #fff;
}



@media (max-width: 700px) {
    .reference-hero h1 { font-size: 2rem; }
    .reference-grid { gap: 1.2rem; }
    .reference-card { padding: 1.2rem 0.7rem 1rem 0.7rem; }
    .reference-cta h2 { font-size: 1.3rem; }
}