:root {
    --bg-main: #050505;
    --bg-card: #111111;
    --text-main: #ffffff;
    --text-muted: #b7b7b7;
    --accent: #0b5cff;
    --accent-soft: rgba(11, 92, 255, 0.18);
    --border: rgba(255, 255, 255, 0.12);
    --max-width: 1180px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

.container {
    width: min(92%, var(--max-width));
    margin: 0 auto;
}

header {
    border-bottom: 1px solid var(--border);
    background: rgba(5, 5, 5, 0.92);
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(14px);
}

.nav {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.brand strong {
    font-size: 1.35rem;
    letter-spacing: 0.08em;
}

.brand span {
    color: var(--text-muted);
    font-size: 0.78rem;
    margin-top: 5px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 22px;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.nav-links a:hover {
    color: var(--text-main);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 13px 20px;
    border-radius: 999px;
    font-weight: 700;
    border: 1px solid transparent;
    transition: all 0.2s ease;
    cursor: pointer;
}

.btn-primary {
    background: var(--accent);
    color: #ffffff;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 40px rgba(11, 92, 255, 0.25);
}

.btn-secondary {
    border-color: var(--border);
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.04);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
}

.hero {
    min-height: calc(100vh - 76px);
    display: flex;
    align-items: center;
    padding: 80px 0;
    background:
        radial-gradient(circle at top right, rgba(11, 92, 255, 0.22), transparent 36%),
        linear-gradient(135deg, #050505 0%, #0c0c0c 55%, #050505 100%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 52px;
    align-items: center;
}

.eyebrow {
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 0.78rem;
    font-weight: 800;
    margin-bottom: 18px;
}

.hero h1 {
    font-size: clamp(2.6rem, 6vw, 5.7rem);
    line-height: 0.95;
    letter-spacing: -0.07em;
    margin-bottom: 24px;
}

.hero p {
    color: var(--text-muted);
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    max-width: 650px;
    margin-bottom: 32px;
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.hero-card {
    border: 1px solid var(--border);
    background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03));
    border-radius: 30px;
    padding: 28px;
    min-height: 420px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
}

.mockup-box {
    min-height: 250px;
    border-radius: 24px;
    background:
        linear-gradient(135deg, rgba(11, 92, 255, 0.22), rgba(255, 255, 255, 0.05)),
        repeating-linear-gradient(45deg, rgba(255,255,255,0.05) 0 1px, transparent 1px 18px);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--text-muted);
    padding: 22px;
}

.hero-card h2 {
    font-size: 1.6rem;
    margin-top: 24px;
    margin-bottom: 10px;
}

.hero-card p {
    color: var(--text-muted);
    margin: 0;
}

section {
    padding: 86px 0;
}

.section-title {
    max-width: 760px;
    margin-bottom: 34px;
}

.section-title h2 {
    font-size: clamp(2rem, 4vw, 3.2rem);
    letter-spacing: -0.04em;
    margin-bottom: 12px;
}

.section-title p {
    color: var(--text-muted);
    font-size: 1.05rem;
}

.services {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 26px;
    min-height: 190px;
}

.service-card span {
    display: inline-flex;
    width: 42px;
    height: 42px;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: var(--accent-soft);
    color: var(--accent);
    font-weight: 900;
    margin-bottom: 18px;
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 10px;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.96rem;
}

.process {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.step {
    border: 1px solid var(--border);
    border-radius: 22px;
    padding: 22px;
    background: rgba(255, 255, 255, 0.035);
}

.step strong {
    color: var(--accent);
    display: block;
    margin-bottom: 10px;
}

.step p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.cta {
    background:
        radial-gradient(circle at center, rgba(11, 92, 255, 0.23), transparent 38%),
        #080808;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    text-align: center;
}

.cta h2 {
    font-size: clamp(2rem, 5vw, 4rem);
    letter-spacing: -0.05em;
    margin-bottom: 16px;
}

.cta p {
    color: var(--text-muted);
    max-width: 640px;
    margin: 0 auto 28px;
}

footer {
    padding: 34px 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    border-top: 1px solid var(--border);
    padding-top: 24px;
}

.floating-whatsapp {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 40;
    background: #25d366;
    color: #071208;
    border-radius: 999px;
    padding: 14px 18px;
    font-weight: 900;
    box-shadow: 0 18px 45px rgba(37, 211, 102, 0.28);
}

@media (max-width: 900px) {
    .hero-grid,
    .services,
    .process {
        grid-template-columns: 1fr;
    }

    .nav-links {
        display: none;
    }

    .hero {
        padding: 60px 0;
    }

    .hero-card {
        min-height: auto;
    }

    .footer-content {
        flex-direction: column;
    }
}