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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    color: var(--text-primary);
    background: var(--white);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition);
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 80px 0;
}

.section-dark {
    background: var(--gradient-hero);
    color: var(--white);
}

.section-light {
    background: var(--gray-bg);
}

.section-title {
    font-size: 1.875rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 8px;
    position: relative;
    display: inline-block;
    width: 100%;
}

.section-title::before,
.section-title::after {
    content: "\2022\2022\2022";
    color: var(--primary-blue);
    margin: 0 16px;
    font-weight: 400;
    letter-spacing: 2px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    max-width: 720px;
    margin: 8px auto 48px;
    font-size: 1rem;
}

.section-dark .section-subtitle,
.section-title-light + .section-subtitle,
.section-subtitle-light {
    color: rgba(255, 255, 255, 0.75);
}

.section-title-light {
    color: var(--white);
}

.section-title-light::before,
.section-title-light::after {
    color: var(--light-blue);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 28px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.95rem;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all var(--transition);
}

.btn-primary {
    background: var(--gradient-brand);
    color: var(--white);
    border-color: transparent;
}

.btn-primary:hover {
    opacity: 0.9;
    color: var(--white);
}

.btn-ghost,
.btn-outline-blue {
    border: 1px solid var(--light-blue);
    color: var(--white);
    background: transparent;
}

.btn-ghost:hover,
.btn-outline-blue:hover {
    background: var(--gradient-brand);
    border-color: transparent;
    color: var(--white);
}

.btn-outline-light {
    border: 1px solid rgba(255, 255, 255, 0.85);
    color: var(--white);
    background: transparent;
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.15);
    color: var(--white);
}

.btn-light {
    background: var(--white);
    color: var(--primary-blue);
    border-color: transparent;
}

.btn-light:hover {
    opacity: 0.92;
    color: var(--primary-blue);
}

.btn-outline {
    border: 1px solid var(--primary-blue);
    color: var(--primary-blue);
    background: transparent;
}

.btn-outline:hover {
    background: var(--primary-blue);
    color: var(--white);
}

.text-cyan { color: var(--light-blue); }
.text-brand { color: var(--brand-red); }
.text-primary-blue { color: var(--primary-blue); }

@media (max-width: 768px) {
    .section { padding: 56px 0; }
    .section-title { font-size: 1.5rem; }
    .section-title::before,
    .section-title::after { margin: 0 8px; }
}