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

:root {
    --black:   #0A0A0A;
    --white:   #F5F5F5;
    --muted:   #888888;
    --border:  #1E1E1E;
    --accent:  #C8FF00;
    --surface: #111111;
}

html { scroll-behavior: smooth; }

body {
    background: var(--black);
    color: var(--white);
    font-family: 'Inter', sans-serif;
    font-size: 15px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

/* --- NAV --- */
nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 3rem;
    border-bottom: 1px solid var(--border);
    background: rgba(10,10,10,0.92);
    backdrop-filter: blur(8px);
}

.nav-logo {
    font-family: 'Syne', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.nav-logo span { color: var(--accent); }

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    font-size: 13px;
    color: var(--muted);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    transition: color 0.2s;
}

.nav-links a:hover { color: var(--white); }

.nav-cta {
    font-size: 13px;
    font-weight: 500;
    padding: 0.5rem 1.25rem;
    border: 1px solid var(--white);
    color: var(--white);
    letter-spacing: 0.02em;
    transition: background 0.2s, color 0.2s;
}

.nav-cta:hover {
    background: var(--white);
    color: var(--black);
}

/* --- LAYOUT --- */
.full-wrap { max-width: 960px; margin: 0 auto; }

section { padding: 5rem 3rem; }

/* --- HERO --- */
.hero-section { padding: 0 3rem; }

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 8rem;
    border-bottom: 1px solid var(--border);
    max-width: 900px;
    margin: 0 auto;
}

.hero-eyebrow {
    font-size: 12px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 2rem;
}

.hero-title {
    font-family: 'Syne', sans-serif;
    font-size: clamp(2.8rem, 6vw, 5.5rem);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.03em;
}

.hero-rotating {
    color: var(--accent);
    min-height: 1.1em;
}

#rotating-word {
    display: inline-block;
    transition: opacity 0.28s, transform 0.28s;
}

.hero-sub {
    margin-top: 2.5rem;
    font-size: 15px;
    color: var(--muted);
    max-width: 440px;
    line-height: 1.7;
}

.hero-actions {
    margin-top: 3rem;
    display: flex;
    gap: 1rem;
    align-items: center;
}

.stats-bar {
    margin-top: 5rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--border);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding-bottom: 5rem;
}

.stat-num {
    font-family: 'Syne', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.stat-label {
    font-size: 12px;
    color: var(--muted);
    margin-top: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* --- BUTTONS --- */
.btn-primary {
    display: inline-block;
    font-size: 13px;
    font-weight: 500;
    padding: 0.75rem 2rem;
    background: var(--accent);
    color: var(--black);
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: opacity 0.2s;
    border: none;
    font-family: 'Inter', sans-serif;
}

.btn-primary:hover { opacity: 0.85; }

.btn-primary.btn-full {
    width: 100%;
    text-align: center;
    padding: 0.85rem;
    margin-top: 0.5rem;
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-ghost {
    font-size: 13px;
    color: var(--muted);
    letter-spacing: 0.02em;
    transition: color 0.2s;
}

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

/* --- SECTION LABEL --- */
.section-label {
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 3rem;
}

/* --- SERVICES --- */
.services-grid { max-width: 900px; margin: 0 auto; }

.service-row {
    display: grid;
    grid-template-columns: 3rem 1fr auto;
    align-items: start;
    gap: 2rem;
    padding: 2rem 0;
    border-bottom: 1px solid var(--border);
}

.service-row:first-of-type { border-top: 1px solid var(--border); }

.service-num {
    font-size: 12px;
    color: var(--muted);
    padding-top: 4px;
}

.service-title {
    font-family: 'Syne', sans-serif;
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
}

.service-desc {
    font-size: 13px;
    color: var(--muted);
    max-width: 480px;
    line-height: 1.7;
}

.service-price {
    font-family: 'Syne', sans-serif;
    font-size: 1rem;
    font-weight: 500;
    white-space: nowrap;
    padding-top: 4px;
}

/* --- CASES --- */
.cases-section { max-width: 900px; margin: 0 auto; border-top: 1px solid var(--border); }

.cases-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 3rem;
}

.cases-note { font-size: 12px; color: var(--muted); }

.cases-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
}

.case-card {
    background: var(--black);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.case-tag {
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
}

.case-result {
    font-family: 'Syne', sans-serif;
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.case-result em { font-style: normal; color: var(--accent); }

.case-client { font-size: 12px; color: var(--muted); margin-top: auto; }

/* --- PROCESS --- */
.process-section { max-width: 900px; margin: 0 auto; border-top: 1px solid var(--border); }

.process-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem 4rem;
    margin-top: 3rem;
}

.process-step {
    font-size: 11px;
    color: var(--muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}

.process-title {
    font-family: 'Syne', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.process-desc { font-size: 13px; color: var(--muted); line-height: 1.7; }

/* --- CTA / CONTATO --- */
.cta-section {
    max-width: 900px;
    margin: 0 auto;
    border-top: 1px solid var(--border);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.cta-title {
    font-family: 'Syne', sans-serif;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.cta-form { display: flex; flex-direction: column; gap: 1rem; }

.field-group { display: flex; flex-direction: column; gap: 0.4rem; }

.field-label {
    font-size: 11px;
    color: var(--muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.field-input {
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--white);
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    padding: 0.7rem 1rem;
    outline: none;
    transition: border-color 0.2s;
    width: 100%;
}

.field-input:focus { border-color: var(--accent); }

.field-input::placeholder { color: #444; }

.form-msg {
    font-size: 13px;
    padding: 0.75rem 1rem;
    border-left: 2px solid;
}

.form-msg.ok  { border-color: var(--accent); color: var(--accent); background: rgba(200,255,0,0.05); }
.form-msg.err { border-color: #ff4444;       color: #ff6666;       background: rgba(255,68,68,0.05); }

/* --- FOOTER --- */
footer {
    border-top: 1px solid var(--border);
    padding: 2rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logo {
    font-family: 'Syne', sans-serif;
    font-size: 0.9rem;
    font-weight: 700;
}

.footer-logo span { color: var(--accent); }

.footer-copy { font-size: 12px; color: var(--muted); }

/* --- RESPONSIVO --- */
@media (max-width: 768px) {
    nav { padding: 1rem 1.5rem; }
    .nav-links { display: none; }
    section { padding: 4rem 1.5rem; }
    .hero-section { padding: 0 1.5rem; }
    .stats-bar { grid-template-columns: 1fr 1fr; }
    .service-row { grid-template-columns: 1fr; gap: 0.5rem; }
    .service-num { display: none; }
    .cases-grid { grid-template-columns: 1fr; }
    .process-list { grid-template-columns: 1fr; gap: 2rem; }
    .cta-section { grid-template-columns: 1fr; gap: 2rem; }
    footer { flex-direction: column; gap: 1rem; text-align: center; }
}