/* Reset e configurações básicas */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #274496;
    --primary-600: #3153b3;
    --primary-700: #1d3575;
    --secondary: #fbd037;
    --secondary-600: #f2c61f;

    --light: #f8f9fa;
    --light-2: #eef3f9;
    --dark: #231f20;
    --text: #374151;
    --muted: #6b7280;
    --border: #e7ebf3;
    --white: #ffffff;

    --radius-sm: 10px;
    --radius: 14px;
    --radius-lg: 22px;
    --radius-xl: 28px;

    --shadow-xs: 0 2px 8px rgba(15, 23, 42, .05);
    --shadow-sm: 0 8px 20px rgba(15, 23, 42, .06);
    --shadow: 0 14px 34px rgba(15, 23, 42, .08);
    --shadow-lg: 0 24px 60px rgba(15, 23, 42, .14);

    --transition: all .28s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: #fff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: inherit;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(14px);
    box-shadow: 0 1px 0 rgba(15, 23, 42, 0.05), 0 10px 24px rgba(15, 23, 42, 0.04);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 14px 20px;
    min-height: 84px;
}

.logo {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
}

.logo img {
    height: 58px;
    width: auto;
}

.nav {
    display: flex;
    align-items: center;
    margin-left: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 6px;
}

.nav-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 14px;
    text-decoration: none;
    color: var(--dark);
    font-weight: 600;
    border-radius: 12px;
    transition: var(--transition);
    position: relative;
    white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
    background: rgba(39, 68, 150, 0.06);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 6px;
    height: 2px;
    border-radius: 999px;
    background: var(--primary);
}

.mobile-menu-btn {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: transparent;
    border: none;
    font-size: 1.15rem;
    cursor: pointer;
    color: var(--dark);
    transition: var(--transition);
}

.mobile-menu-btn:hover {
    background: rgba(39, 68, 150, 0.08);
    color: var(--primary);
}

.header-btns {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 46px;
    padding: 0 20px;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 700;
    text-align: center;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    box-shadow: var(--shadow-xs);
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--primary-700);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

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

.btn-secondary:hover {
    background: var(--secondary-600);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-outline {
    background: transparent;
    border: 1.5px solid var(--primary);
    color: var(--primary);
    box-shadow: none;
}

.btn-outline:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

/* Footer */
footer {
    background: linear-gradient(180deg, #111827 0%, #0b1221 100%);
    color: #fff;
    padding: 70px 0 24px;
    margin-top: 0;
}

footer .gg {
    color: var(--secondary);
    font-weight: 800;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 32px;
    margin-bottom: 40px;
}

.footer-column h3 {
    color: var(--secondary);
    margin-bottom: 18px;
    font-size: 1.05rem;
    font-weight: 800;
    letter-spacing: -0.01em;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 10px;
}

.footer-column a {
    color: #c7d0dc;
    text-decoration: none;
    transition: var(--transition);
}

.footer-column a:hover {
    color: #fff;
}

.footer-social {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    color: #fff;
    transition: var(--transition);
}

.social-icon:hover {
    background: var(--secondary);
    color: var(--dark);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.10);
    padding-top: 20px;
    text-align: center;
    color: #98a4b3;
    font-size: 0.92rem;
    line-height: 1.7;
}

/* Back to top */
.back-to-top {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 52px;
    height: 52px;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: 999;
    box-shadow: var(--shadow);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--primary-700);
    transform: translateY(-3px);
}

/* Utilitários */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.section-title {
    text-align: center;
    font-size: clamp(1.9rem, 3vw, 2.5rem);
    line-height: 1.15;
    color: var(--primary);
    margin-bottom: 42px;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.section-title::after {
    content: "";
    display: block;
    width: 78px;
    height: 4px;
    margin: 14px auto 0;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}

/* Focus */
a:focus-visible,
button:focus-visible,
.btn:focus-visible {
    outline: 3px solid rgba(39, 68, 150, 0.22);
    outline-offset: 2px;
}

/* Responsividade */
@media (max-width: 992px) {
    .header-container {
        min-height: 78px;
    }

    .logo img {
        height: 52px;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }

    .header-container {
        padding: 12px 16px;
        min-height: 74px;
        flex-wrap: wrap;
    }

    .logo img {
        height: 48px;
    }

    .mobile-menu-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .nav {
        order: 3;
        width: 100%;
        margin-left: 0;
    }

    .nav-links {
        position: fixed;
        top: 74px;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(14px);
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 18px 16px 20px;
        box-shadow: 0 12px 30px rgba(15, 23, 42, .10);
        transform: translateY(-16px);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        z-index: 999;
        border-top: 1px solid rgba(15, 23, 42, 0.05);
    }

    .nav-links.open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        width: 100%;
        justify-content: flex-start;
        padding: 14px 14px;
        border-radius: 12px;
    }

    .nav-links a.active::after {
        display: none;
    }

    .header-btns {
        display: none;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 26px;
    }

    .footer-bottom {
        font-size: 0.88rem;
    }

    .back-to-top {
        bottom: 18px;
        right: 18px;
        width: 44px;
        height: 44px;
    }
}

@media (max-width: 480px) {
    .header-container {
        gap: 12px;
    }

    .logo img {
        height: 42px;
    }

    .section-title {
        margin-bottom: 34px;
    }

    .btn {
        min-height: 44px;
        padding: 0 18px;
        font-size: 0.92rem;
    }

    footer {
        padding: 56px 0 22px;
    }
}