:root {
    --ink: #0E1A24;
    --surface: #142230;
    --surface-2: #1A2C3C;
    --line: #28394A;
    --text: #EAF0F3;
    --muted: #8FA3AF;
    --amber: #E8A94A;
    --amber-dim: #7A5A2A;
    --teal: #5CC2B4;
    --radius: 10px;
}

html {
    scroll-padding-top: calc(72px + env(safe-area-inset-top, 0px));
    scroll-behavior: smooth;
}

body {
    background: var(--ink);
    color: var(--text);
    font-family: 'IBM Plex Sans', sans-serif;
    padding-top: env(safe-area-inset-top, 0px);
    padding-bottom: env(safe-area-inset-bottom, 0px);
    overflow-x: hidden;
}

h1, h2, h3, .brand {
    font-family: 'Space Grotesk', sans-serif;
}

.mono {
    font-family: 'IBM Plex Mono', monospace;
}

a {
    color: inherit;
}

.container-narrow {
    max-width: 1100px;
    margin: 0 auto;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
}

/* Nav */
header.site-nav {
    position: sticky;
    top: 0;
    z-index: 40;
    background: rgba(14, 26, 36, .88);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--line);
    padding-top: env(safe-area-inset-top, 0px);
}

.site-nav .row-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .9rem 0;
}

.brand {
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: .01em;
}

.brand span {
    color: var(--amber);
}

.nav-links {
    display: flex;
    gap: 1.75rem;
    align-items: center;
}

.nav-links a {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    color: var(--muted);
    text-decoration: none;
    font-size: .95rem;
    transition: color .15s;
}

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

.btn-amber {
    background: var(--amber);
    color: #20140A;
    border: none;
    font-weight: 600;
    padding: .6rem 1.15rem;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    text-decoration: none;
    transition: transform .12s ease, background .15s;
}

.btn-amber:hover {
    background: #F0BB6C;
    transform: translateY(-1px);
    color: #20140A;
}

.btn-outline-line {
    border: 1px solid var(--line);
    color: var(--text);
    padding: .55rem 1.1rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: .5rem;
}

.btn-outline-line:hover {
    border-color: var(--amber);
    color: var(--text);
}

@media (max-width: 860px) {
    .nav-links .nav-only-desktop {
        display: none;
    }
}

/* Hero */
.hero {
    padding: 4.5rem 0 4rem;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 3rem;
    align-items: center;
}

@media (max-width:900px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

.eyebrow {
    display: flex;
    align-items: center;
    gap: .5rem;
    color: var(--teal);
    font-size: .9rem;
    margin-bottom: 1rem;
}

.hero h1 {
    font-size: 2.7rem;
    line-height: 1.14;
    font-weight: 700;
    letter-spacing: -.01em;
    margin-bottom: 1.1rem;
}

@media (max-width:600px) {
    .hero h1 {
        font-size: 2rem;
    }
}

.hero p.lead-text {
    color: var(--muted);
    font-size: 1.08rem;
    max-width: 44ch;
    margin-bottom: 1.75rem;
    line-height: 1.6;
}

.hero-ctas {
    display: flex;
    gap: .9rem;
    flex-wrap: wrap;
    margin-bottom: 2.25rem;
}

.stat-row {
    display: flex;
    flex-wrap: wrap;
}

.stat-row .stat {
    display: flex;
    gap: .6rem;
}

.stat-row .stat i {
    font-size: 1.3rem;
    color: var(--amber);
}

.stat-row .stat b {
    display: block;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    color: var(--text);
}

.stat-row .stat span {
    color: var(--muted);
    font-size: .85rem;
}

/* Terminal mock */
.term {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .6);
    overflow: hidden;
}

.term-bar {
    display: flex;
    align-items: center;
    gap: .4rem;
    padding: .65rem .9rem;
    background: var(--surface-2);
    border-bottom: 1px solid var(--line);
}

.term-dot {
    width: .6rem;
    height: .6rem;
    border-radius: 50%;
    background: #3A4C5C;
}

.term-title {
    margin-left: .6rem;
    color: var(--muted);
    font-size: .78rem;
}

.term pre {
    margin: 0;
    padding: 1.25rem 1.35rem;
    font-size: .82rem;
    line-height: 1.65;
    overflow-x: auto;
}

.term code {
    color: #C7D3DB;
}

.tk {
    color: #7FA9C9;
}

.ts {
    color: #C9A15A;
}

.tc {
    color: #5E7688;
}

.tf {
    color: var(--amber);
}

.tv {
    color: var(--teal);
}

/* Section shell */
section {
    padding: 4.25rem 0;
}

.section-head {
    max-width: 640px;
    margin-bottom: 2.5rem;
}

.section-head p.eyebrow {
    margin-bottom: .6rem;
}

.section-head h2 {
    display: flex;
    align-items: center;
    gap: .6rem;
    font-size: 1.9rem;
    font-weight: 700;
    margin-bottom: .75rem;
}

.section-head h2 i {
    color: var(--amber);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.section-head p.desc {
    color: var(--muted);
    line-height: 1.6;
}

.band {
    background: var(--surface);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

/* Services */
.svc-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.1rem;
}

@media (max-width:900px) {
    .svc-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width:600px) {
    .svc-grid {
        grid-template-columns: 1fr;
    }
}

.svc-card {
    border: 1px solid var(--line);
    border-left: 3px solid var(--amber-dim);
    background: var(--surface);
    border-radius: 6px;
    padding: 1.4rem 1.3rem;
    transition: border-left-color .15s;
}

.svc-card:hover {
    border-left-color: var(--amber);
}

.svc-card i {
    font-size: 1.3rem;
    color: var(--amber);
    margin-bottom: .75rem;
    display: block;
}

.svc-card h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: .5rem;
}

.svc-card p {
    color: var(--muted);
    font-size: .92rem;
    line-height: 1.55;
    margin: 0;
}

/* Proof strip (dentro de Serviços) */
.proof-strip {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--line);
}

.proof-label {
    display: flex;
    align-items: center;
    gap: .5rem;
    color: var(--muted);
    margin-bottom: .9rem;
}

.proof-chips {
    display: flex;
    flex-wrap: wrap;
    gap: .6rem;
}

.proof-chips a {
    font-family: 'IBM Plex Mono', monospace;
    font-size: .82rem;
    color: var(--text);
    border: 1px solid var(--line);
    padding: .45rem .9rem;
    border-radius: 100px;
    background: var(--surface);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    transition: border-color .15s;
}

.proof-chips a:hover {
    border-color: var(--amber);
    color: var(--text);
}

/* Especificação técnica */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

@media (max-width:760px) {
    .tech-grid {
        grid-template-columns: 1fr;
        gap: 2.25rem;
    }
}

.tech-col-title {
    display: flex;
    align-items: center;
    gap: .5rem;
    color: var(--teal);
    font-size: .85rem;
    margin-bottom: 1rem;
    padding-bottom: .6rem;
    border-bottom: 1px solid var(--line);
}

.tech-col-title i {
    font-size: 1rem;
}

.skill-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.skill-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: .75rem;
    padding: .55rem 0;
    border-bottom: 1px solid var(--line);
    font-size: .92rem;
}

.skill-list li:last-child {
    border-bottom: none;
}

.lvl {
    font-family: 'IBM Plex Mono', monospace;
    font-size: .68rem;
    padding: .15rem .55rem;
    border-radius: 100px;
    white-space: nowrap;
    border: 1px solid transparent;
}

.lvl-esp {
    color: var(--amber);
    border-color: var(--amber-dim);
    background: rgba(232, 169, 74, .08);
}

.lvl-pleno {
    color: var(--teal);
    border-color: #2C5951;
    background: rgba(92, 194, 180, .08);
}

.lvl-fam {
    color: var(--muted);
    border-color: var(--line);
}

.traits-block {
    padding-top: 2.5rem;
    border-top: 1px solid var(--line);
    margin-bottom: 2.5rem;
}

.tech-cta {
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
}

/* Why / traits */
.why-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem 2rem;
}

@media (max-width:700px) {
    .why-grid {
        grid-template-columns: 1fr;
    }
}

.why-item {
    display: flex;
    gap: .8rem;
    align-items: flex-start;
}

.why-item i {
    color: var(--teal);
    font-size: 1.1rem;
    margin-top: .2rem;
}

.why-item p {
    margin: 0;
    color: var(--muted);
    line-height: 1.55;
}

.why-item strong {
    color: var(--text);
    display: block;
    margin-bottom: .15rem;
}

/* Final CTA */
.final-cta {
    background: linear-gradient(180deg, var(--surface), var(--ink));
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 3rem 2.5rem;
    text-align: center;
}

@media (max-width:600px) {
    .final-cta {
        padding: 2.25rem 1.25rem;
    }
}

.final-cta h2 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .6rem;
    font-size: 1.85rem;
    font-weight: 700;
    margin-bottom: .75rem;
}

.final-cta h2 i {
    color: var(--amber);
    font-size: 1.5rem;
}

.final-cta p {
    color: var(--muted);
    max-width: 48ch;
    margin: 0 auto 1.75rem;
    line-height: 1.6;
}

/* Footer */
footer {
    border-top: 1px solid var(--line);
    padding: 2.25rem 0 calc(2.25rem + env(safe-area-inset-bottom, 0px));
}

.footer-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-row .socials {
    display: flex;
    gap: 1rem;
}

.footer-row .socials a {
    color: var(--muted);
    font-size: 1.15rem;
}

.footer-row .socials a:hover {
    color: var(--amber);
}

.footer-note {
    color: var(--muted);
    font-size: .85rem;
}

/* Floating WhatsApp */
.fab-wa {
    position: fixed;
    right: 1.1rem;
    bottom: calc(1.1rem + env(safe-area-inset-bottom, 0px));
    z-index: 50;
    background: #25D366;
    color: #0B1A0E;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    text-decoration: none;
    box-shadow: 0 10px 25px -8px rgba(0, 0, 0, .6);
}

@media (prefers-reduced-motion: no-preference) {
    .fab-wa {
        animation: pulse 2.6s ease-in-out infinite;
    }

    @keyframes pulse {
        0%, 100% {
            box-shadow: 0 10px 25px -8px rgba(0, 0, 0, .6);
        }

        50% {
            box-shadow: 0 10px 25px -8px rgba(37, 211, 102, .55);
        }
    }
}