/* ===== VARIABLES ===== */
:root {
    --primary: #1459A0;
    --primary-dark: #0E3E78;
    --primary-light: #2B76C9;
    --teal: #0891B2;
    --accent: #10B981;
    --dark: #0B1A2E;
    --dark-2: #0F2445;
    --text: #1C2B3A;
    --text-muted: #6B7280;
    --border: #E5E7EB;
    --bg-light: #F0F7FF;
    --white: #FFFFFF;
    --radius: 14px;
    --radius-lg: 22px;
    --shadow: 0 2px 16px rgba(0,0,0,0.07);
    --shadow-md: 0 6px 30px rgba(0,0,0,0.11);
    --transition: all 0.28s cubic-bezier(0.4,0,0.2,1);
    --max-w: 1180px;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text);
    background: var(--white);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
svg { display: block; flex-shrink: 0; }

/* ===== LAYOUT ===== */
.container {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 24px;
}
.section { padding: 88px 0; }
.section-alt { background: var(--bg-light); }
.section-dark { background: var(--dark-2); }

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    transition: var(--transition);
}
.header.scrolled {
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 var(--border);
}
.nav-wrap {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 24px;
    height: 72px;
    display: flex;
    align-items: center;
    gap: 32px;
}
.nav-logo { display: flex; align-items: center; }

/* Logo swap: white on transparent hero, colored on scrolled white header */
.logo-color { display: none; }
.header.scrolled .logo-white { display: none; }
.header.scrolled .logo-color { display: block; }

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
}
.nav-link {
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.925rem;
    font-weight: 500;
    color: rgba(255,255,255,0.88);
    transition: var(--transition);
}
.nav-link:hover { background: rgba(255,255,255,0.15); color: var(--white); }
.header.scrolled .nav-link { color: var(--text); }
.header.scrolled .nav-link:hover { background: var(--bg-light); color: var(--primary); }

.nav-btn {
    padding: 9px 20px;
    border-radius: 8px;
    font-size: 0.925rem;
    font-weight: 600;
    background: var(--white);
    color: var(--primary-dark);
    transition: var(--transition);
    margin-left: 8px;
}
.nav-btn:hover { background: rgba(255,255,255,0.88); transform: translateY(-1px); }
.header.scrolled .nav-btn { background: var(--primary); color: var(--white); }
.header.scrolled .nav-btn:hover { background: var(--primary-dark); }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    margin-left: auto;
}
.nav-toggle span {
    display: block;
    width: 24px; height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}
.header.scrolled .nav-toggle span { background: var(--text); }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== HERO ===== */
.hero {
    position: relative;
    padding: 152px 0 110px;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 55%, var(--teal) 100%);
    color: var(--white);
    overflow: hidden;
    min-height: 600px;
    display: flex;
    align-items: center;
}
.hero-orb {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}
.orb-1 {
    width: 560px; height: 560px;
    top: -160px; right: -100px;
    background: rgba(255,255,255,0.05);
}
.orb-2 {
    width: 320px; height: 320px;
    bottom: -80px; left: -60px;
    background: rgba(255,255,255,0.04);
}
.hero .container { position: relative; z-index: 1; }

.eyebrow {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    background: rgba(255,255,255,0.16);
    color: rgba(255,255,255,0.88);
    padding: 5px 14px;
    border-radius: 100px;
    margin-bottom: 24px;
}
.eyebrow-blue {
    background: rgba(20,89,160,0.1);
    color: var(--primary);
}
.eyebrow-light {
    background: rgba(255,255,255,0.12);
    color: rgba(255,255,255,0.8);
}

.hero-title {
    font-size: clamp(2.4rem, 5vw, 3.8rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}
.gradient-text {
    background: linear-gradient(90deg, #93C5FD, #34D399);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-lead {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    font-weight: 500;
    color: rgba(255,255,255,0.88);
    margin-bottom: 10px;
}
.hero-desc {
    font-size: 1rem;
    color: rgba(255,255,255,0.65);
    line-height: 1.75;
    max-width: 520px;
    margin-bottom: 40px;
}
.br-desk { display: block; }

.hero-btns {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    align-items: center;
}
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 24px;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    transition: var(--transition);
    white-space: nowrap;
    cursor: pointer;
}
.btn-primary {
    background: var(--white);
    color: var(--primary-dark);
}
.btn-primary:hover {
    background: rgba(255,255,255,0.9);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}
.btn-ghost {
    background: transparent;
    color: rgba(255,255,255,0.82);
    border: 1.5px solid rgba(255,255,255,0.32);
}
.btn-ghost:hover {
    background: rgba(255,255,255,0.1);
    color: var(--white);
    border-color: rgba(255,255,255,0.6);
}
.ico { width: 18px; height: 18px; }

.hero-wave {
    position: absolute;
    bottom: -1px; left: 0; right: 0;
    line-height: 0;
}
.hero-wave svg { width: 100%; height: 60px; }

/* ===== SECTION HEADERS ===== */
.section-header {
    text-align: center;
    margin-bottom: 56px;
}
.section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.025em;
    margin-top: 12px;
}

/* ===== FEATURE CARDS ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 24px;
}
.feature-card {
    grid-column: span 2;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: var(--transition);
}
/* Centra os 2 cards da última linha num grid de 6 colunas */
.feature-card:nth-child(4) { grid-column: 2 / span 2; }
.feature-card:nth-child(5) { grid-column: 4 / span 2; }

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(20,89,160,0.2);
}
.feature-icon {
    width: 52px; height: 52px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--primary), var(--teal));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--white);
}
.feature-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 14px;
}
.feature-list li {
    font-size: 0.9rem;
    color: var(--text-muted);
    padding: 5px 0 5px 18px;
    position: relative;
    line-height: 1.5;
}
.feature-list li::before {
    content: '';
    position: absolute;
    left: 0; top: 12px;
    width: 7px; height: 7px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-light), var(--teal));
}

/* ===== CLIENTS ===== */
.clients-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.client-item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 28px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--white);
    transition: var(--transition);
    min-height: 100px;
}
.client-item img {
    max-height: 80px;
    width: auto;
    max-width: 85%;
    filter: grayscale(100%) opacity(0.55);
    transition: var(--transition);
}
.client-item--lg img {
    max-height: 110px;
    max-width: 90%;
}
@media (hover: none) {
    .client-item img { filter: none; }
}
.client-item:hover {
    border-color: rgba(20,89,160,0.25);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}
.client-item:hover img {
    filter: grayscale(0%) opacity(1);
}
/* Centraliza logo solitário na última linha do grid de 3 colunas */
.clients-grid .client-item:last-child:nth-child(3n+1) {
    grid-column: 2;
}

/* ===== IMPACT ===== */
.impact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    text-align: center;
}
.impact-item {
    padding: 40px 24px;
    border-radius: var(--radius-lg);
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
}
.impact-number {
    font-size: clamp(2.8rem, 5vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    margin-bottom: 10px;
    background: linear-gradient(90deg, #93C5FD, #34D399);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    min-height: 1.2em;
}
.impact-label {
    font-size: 0.95rem;
    color: rgba(255,255,255,0.6);
    font-weight: 500;
}

/* ===== CTA FINAL ===== */
.cta-section { background: var(--white); }
.cta-box {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 55%, var(--teal) 100%);
    border-radius: 28px;
    padding: 72px 48px;
    text-align: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
}
.cta-box::before {
    content: '';
    position: absolute;
    top: -80px; right: -80px;
    width: 320px; height: 320px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
    pointer-events: none;
}
.cta-title {
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.025em;
    margin-bottom: 16px;
}
.cta-desc {
    font-size: 1rem;
    color: rgba(255,255,255,0.72);
    max-width: 520px;
    margin: 0 auto 36px;
    line-height: 1.7;
}
.btn-cta-primary {
    background: var(--white);
    color: var(--primary-dark);
    padding: 13px 28px;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}
.btn-cta-primary:hover {
    background: rgba(255,255,255,0.9);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}
.btn-cta-ghost {
    background: transparent;
    color: rgba(255,255,255,0.82);
    border: 1.5px solid rgba(255,255,255,0.32);
    padding: 13px 28px;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}
.btn-cta-ghost:hover {
    background: rgba(255,255,255,0.1);
    color: var(--white);
    border-color: rgba(255,255,255,0.6);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--dark);
    color: rgba(255,255,255,0.7);
    padding: 64px 0 32px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1.5fr 1.5fr;
    gap: 48px;
    margin-bottom: 48px;
}
.footer-brand img { margin-bottom: 4px; }
.footer-tagline {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.38);
    margin-top: 10px;
}
.footer h4 {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.35);
    margin-bottom: 16px;
}
.footer-contact a,
.footer-social a {
    display: flex;
    align-items: center;
    gap: 9px;
    font-size: 0.88rem;
    color: rgba(255,255,255,0.65);
    padding: 6px 0;
    transition: var(--transition);
}
.footer-contact a:hover,
.footer-social a:hover { color: var(--white); }
.footer-contact svg,
.footer-social svg { color: rgba(255,255,255,0.35); flex-shrink: 0; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 24px;
    text-align: center;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.3);
}

/* ===== FADE-IN ANIMATION ===== */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .feature-card { grid-column: span 1 !important; }
    .clients-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    .section { padding: 64px 0; }
    .hero { padding: 120px 0 80px; }
    .br-desk { display: none; }

    .nav-toggle { display: flex; }
    .nav-menu {
        position: fixed;
        top: 72px; left: 0; right: 0; bottom: 0;
        background: var(--dark);
        flex-direction: column;
        align-items: flex-start;
        padding: 32px 24px;
        gap: 4px;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        overflow-y: auto;
    }
    .nav-menu.open { transform: translateX(0); }
    .nav-link {
        color: rgba(255,255,255,0.82);
        font-size: 1.05rem;
        width: 100%;
        padding: 12px 16px;
    }
    .header.scrolled .nav-link { color: rgba(255,255,255,0.82); }
    .header.scrolled .nav-link:hover { background: rgba(255,255,255,0.08); color: var(--white); }
    .nav-btn {
        background: var(--primary);
        color: var(--white);
        width: 100%;
        justify-content: center;
        margin-left: 0;
        margin-top: 12px;
    }
    .header.scrolled .nav-btn { background: var(--primary); }

    .features-grid { grid-template-columns: 1fr; }
    .clients-grid { grid-template-columns: repeat(2, 1fr); }
    .impact-grid { grid-template-columns: 1fr; gap: 16px; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .cta-box { padding: 48px 24px; }
}

@media (max-width: 480px) {
    .hero-btns { flex-direction: column; align-items: stretch; }
    .btn { width: 100%; justify-content: center; }
    .clients-grid { grid-template-columns: repeat(2, 1fr); }
}