/* ===== Base ===== */
:root {
    --bg: #0a0a0a;
    --bg-soft: #111312;
    --surface: #151817;
    --border: rgba(255, 255, 255, 0.08);
    --text: #f2f4f3;
    --text-muted: #9ba3a0;
    --accent: #2dd4a7;
    --accent-strong: #18b890;
    --accent-soft: rgba(45, 212, 167, 0.12);
    --radius: 16px;
    --font: 'Inter', system-ui, -apple-system, sans-serif;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 88px;
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.container {
    width: min(1120px, 92%);
    margin: 0 auto;
}

a {
    color: inherit;
    text-decoration: none;
}

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

/* ===== Background layer ===== */
.bg-layer {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.bg-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.35;
}

.bg-glow-1 {
    width: 560px;
    height: 560px;
    top: -180px;
    right: -120px;
    background: radial-gradient(circle, rgba(45, 212, 167, 0.5), transparent 70%);
}

.bg-glow-2 {
    width: 480px;
    height: 480px;
    bottom: -160px;
    left: -140px;
    background: radial-gradient(circle, rgba(24, 184, 144, 0.35), transparent 70%);
}

.bg-glow-3 {
    width: 400px;
    height: 400px;
    top: 45%;
    left: 55%;
    background: radial-gradient(circle, rgba(45, 212, 167, 0.18), transparent 70%);
}

.particle {
    position: absolute;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--accent);
    opacity: 0.4;
    animation: float 14s ease-in-out infinite;
}

.p1 { top: 18%; left: 12%; animation-delay: 0s; }
.p2 { top: 30%; left: 78%; animation-delay: -2.5s; }
.p3 { top: 62%; left: 22%; animation-delay: -5s; }
.p4 { top: 74%; left: 68%; animation-delay: -7.5s; }
.p5 { top: 44%; left: 46%; animation-delay: -10s; }
.p6 { top: 86%; left: 38%; animation-delay: -12s; }

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    25% { transform: translate(24px, -32px); }
    50% { transform: translate(-18px, -56px); }
    75% { transform: translate(-30px, -20px); }
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10, 10, 10, 0.72);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s ease, background 0.3s ease;
}

.header.scrolled {
    border-bottom-color: var(--border);
    background: rgba(10, 10, 10, 0.88);
}

.nav {
    display: flex;
    align-items: center;
    gap: 32px;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--accent);
    font-weight: 700;
    font-size: 1.15rem;
}

.logo-icon {
    width: 30px;
    height: 30px;
}

.logo-text {
    color: var(--text);
    letter-spacing: -0.02em;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 28px;
    list-style: none;
    margin-left: auto;
}

.nav-menu a {
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: color 0.2s ease;
}

.nav-menu a:hover {
    color: var(--text);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    padding: 0 9px;
    background: none;
    border: 1px solid var(--border);
    border-radius: 10px;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: #04110d;
    box-shadow: 0 8px 24px rgba(45, 212, 167, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(45, 212, 167, 0.35);
}

.btn-outline {
    border: 1px solid var(--border);
    color: var(--text);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-ghost {
    color: var(--text-muted);
}

.btn-ghost:hover {
    color: var(--text);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.05rem;
}

/* ===== Hero ===== */
.hero {
    padding: 176px 0 112px;
    text-align: center;
}

.badge {
    display: inline-block;
    padding: 7px 16px;
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--accent);
    background: var(--accent-soft);
    margin-bottom: 28px;
}

.hero h1 {
    font-size: clamp(2.4rem, 5.5vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.12;
    max-width: 760px;
    margin: 0 auto 24px;
}

.accent {
    background: linear-gradient(135deg, var(--accent), #6ee7c8);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 620px;
    margin: 0 auto 40px;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* ===== Sections ===== */
.section {
    padding: 96px 0;
}

.section-alt {
    background: var(--bg-soft);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.section-head {
    max-width: 640px;
    margin-bottom: 56px;
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--accent);
    margin-bottom: 12px;
}

.section-head h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 14px;
}

.section-head p {
    color: var(--text-muted);
    font-size: 1.05rem;
}

/* ===== Cards (Serviços) ===== */
.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px;
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.card:hover {
    transform: translateY(-6px);
    border-color: rgba(45, 212, 167, 0.4);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.card-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: var(--accent-soft);
    color: var(--accent);
    margin-bottom: 22px;
}

.card-icon svg {
    width: 26px;
    height: 26px;
}

.card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 18px;
}

.card-list {
    list-style: none;
}

.card-list li {
    position: relative;
    padding-left: 22px;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.card-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 9px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
}

/* ===== Steps (Como trabalhamos) ===== */
.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    list-style: none;
    counter-reset: step;
}

.step {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 24px;
}

.step-number {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 14px;
    letter-spacing: 0.08em;
}

.step h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.step p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* ===== Sobre ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 48px;
    align-items: start;
}

.about-text {
    font-size: 1.1rem;
    color: var(--text-muted);
}

.about-points {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.about-points li {
    padding: 18px 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    font-size: 0.95rem;
    color: var(--text-muted);
}

.about-points strong {
    color: var(--text);
    display: block;
    margin-bottom: 2px;
}

/* ===== CTA ===== */
.cta-section {
    text-align: center;
}

.cta-inner {
    background: linear-gradient(160deg, var(--surface), var(--bg-soft));
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 72px 32px;
    position: relative;
    overflow: hidden;
}

.cta-inner::before {
    content: '';
    position: absolute;
    top: -120px;
    left: 50%;
    transform: translateX(-50%);
    width: 480px;
    height: 240px;
    background: radial-gradient(circle, rgba(45, 212, 167, 0.18), transparent 70%);
    pointer-events: none;
}

.cta-inner h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.4rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.cta-inner p {
    color: var(--text-muted);
    margin-bottom: 32px;
}

/* ===== Footer ===== */
.footer {
    border-top: 1px solid var(--border);
    padding: 48px 0;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    text-align: center;
}

.footer-tagline {
    color: var(--text-muted);
    font-size: 0.92rem;
}

.footer-copy {
    color: var(--text-muted);
    font-size: 0.82rem;
}

.footer-copy a {
    color: var(--accent);
}

/* ===== Reveal animations ===== */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .reveal { opacity: 1; transform: none; transition: none; }
    .particle { animation: none; }
}

/* ===== Responsive ===== */
@media (max-width: 960px) {
    .cards { grid-template-columns: 1fr; }
    .steps { grid-template-columns: repeat(2, 1fr); }
    .about-grid { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 720px) {
    .nav { gap: 16px; }
    .nav-cta { display: none; }
    .menu-toggle { display: flex; margin-left: auto; }

    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: rgba(10, 10, 10, 0.97);
        border-bottom: 1px solid var(--border);
        padding: 8px 0;
        margin-left: 0;
        transform: translateY(-12px);
        opacity: 0;
        visibility: hidden;
        transition: transform 0.25s ease, opacity 0.25s ease, visibility 0.25s;
    }

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

    .nav-menu a {
        display: block;
        padding: 14px 6%;
        font-size: 1rem;
    }

    .hero { padding: 140px 0 88px; }
    .section { padding: 72px 0; }
    .steps { grid-template-columns: 1fr; }
    .cta-inner { padding: 56px 20px; }
}