:root {
    --bg: #050505;
    --bg-2: #0d1012;
    --panel: #121619;
    --panel-2: #f6f8f7;
    --text: #f8faf9;
    --text-dark: #111514;
    --muted: #b6c0c5;
    --muted-dark: #4e5a5f;
    --line: rgba(255, 255, 255, 0.12);
    --line-dark: rgba(17, 21, 20, 0.12);
    --cyan: #20c4df;
    --green: #3cff9a;
    --white: #ffffff;
    --radius: 10px;
    --shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
    --container: 1140px;
    --header-height: 76px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 92px;
}

body {
    margin: 0;
    font-family: "Inter", Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
    letter-spacing: 0;
    overflow-x: hidden;
}

body.menu-open {
    overflow: hidden;
}

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

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

button,
input,
textarea {
    font: inherit;
}

button {
    border: 0;
    cursor: pointer;
}

.container {
    width: min(100% - 40px, var(--container));
    margin: 0 auto;
}

.section {
    padding: 88px 0;
}

.section-light {
    color: var(--text-dark);
    background: var(--panel-2);
}

.section-light p {
    color: var(--muted-dark);
}

.section-header {
    max-width: 740px;
    margin-bottom: 34px;
}

.section-header.center {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 14px;
    color: var(--cyan);
    font-size: 13px;
    font-weight: 900;
    text-transform: uppercase;
}

.eyebrow::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--cyan);
    box-shadow: 0 0 18px rgba(32, 196, 223, 0.64);
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    max-width: 900px;
    margin-bottom: 22px;
    font-size: clamp(40px, 6vw, 72px);
    line-height: 1.02;
    font-weight: 900;
}

h2 {
    margin-bottom: 16px;
    font-size: clamp(30px, 4vw, 46px);
    line-height: 1.08;
    font-weight: 900;
}

h3 {
    margin-bottom: 10px;
    font-size: 21px;
    line-height: 1.22;
    font-weight: 850;
}

p {
    color: var(--muted);
    line-height: 1.68;
}

.lead {
    font-size: 19px;
    line-height: 1.62;
    color: #d9e2e6;
}

.section-light .lead {
    color: #334044;
}

.skip-link {
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 120;
    transform: translateY(-140%);
    padding: 12px 14px;
    border-radius: var(--radius);
    color: #031012;
    background: var(--cyan);
    font-weight: 900;
    transition: transform 160ms ease;
}

.skip-link:focus {
    transform: translateY(0);
}

.topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 90;
    height: var(--header-height);
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.09);
    background: rgba(5, 5, 5, 0.83);
    backdrop-filter: blur(14px);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-width: 150px;
}

.brand-logo {
    width: 96px;
    height: auto;
}

.brand.logo-fallback .brand-logo {
    display: none;
}

.brand.logo-fallback::before {
    content: "MV3.";
    color: var(--white);
    font-size: 34px;
    line-height: 1;
    font-weight: 900;
    letter-spacing: -0.08em;
}

.brand-sub {
    color: #8d989d;
    font-size: 11px;
    font-weight: 900;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 18px;
    color: #dce5e8;
    font-size: 14px;
    font-weight: 800;
}

.nav-links a {
    padding: 9px 0;
    transition: color 160ms ease;
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.menu-toggle {
    display: none;
}

.icon-button {
    display: inline-grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius);
    color: var(--white);
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.06);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 50px;
    padding: 0 18px;
    border-radius: var(--radius);
    font-weight: 900;
    line-height: 1;
    white-space: nowrap;
    transition: transform 170ms ease, border-color 170ms ease, background 170ms ease;
}

.btn:hover {
    transform: translateY(-2px);
}

.whatsapp-icon {
    width: 20px;
    height: 20px;
    display: inline-block;
    flex: 0 0 auto;
    background: currentColor;
    -webkit-mask: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20aria-hidden%3D%22true%22%3E%20%3Cpath%20fill%3D%22black%22%20d%3D%22M12.04%202.25c-5.34%200-9.69%204.33-9.69%209.66%200%201.7.45%203.37%201.3%204.84L2.25%2021.75l5.12-1.34a9.67%209.67%200%200%200%204.67%201.19h.01c5.34%200%209.68-4.33%209.69-9.66%200-2.58-1-5.01-2.83-6.84a9.61%209.61%200%200%200-6.87-2.85Zm.01%2017.72h-.01a8.05%208.05%200%200%201-4.1-1.12l-.29-.17-3.04.8.81-2.96-.19-.3a8.03%208.03%200%200%201-1.23-4.31c0-4.42%203.61-8.02%208.05-8.02%202.15%200%204.17.84%205.69%202.36a7.98%207.98%200%200%201%202.36%205.69c-.01%204.43-3.61%208.03-8.05%208.03Zm4.41-6.01c-.24-.12-1.43-.7-1.65-.78-.22-.08-.38-.12-.54.12-.16.24-.62.78-.76.94-.14.16-.28.18-.52.06-.24-.12-1.02-.38-1.94-1.2-.72-.64-1.2-1.43-1.34-1.67-.14-.24-.02-.37.1-.49.11-.11.24-.28.36-.42.12-.14.16-.24.24-.4.08-.16.04-.3-.02-.42-.06-.12-.54-1.3-.74-1.78-.19-.46-.39-.4-.54-.41h-.46c-.16%200-.42.06-.64.3-.22.24-.84.82-.84%202s.86%202.32.98%202.48c.12.16%201.69%202.58%204.1%203.62.57.25%201.02.4%201.37.51.58.18%201.1.16%201.51.1.46-.07%201.43-.58%201.63-1.14.2-.56.2-1.04.14-1.14-.06-.1-.22-.16-.46-.28Z%22%2F%3E%20%3C%2Fsvg%3E") center / contain no-repeat;
    mask: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20aria-hidden%3D%22true%22%3E%20%3Cpath%20fill%3D%22black%22%20d%3D%22M12.04%202.25c-5.34%200-9.69%204.33-9.69%209.66%200%201.7.45%203.37%201.3%204.84L2.25%2021.75l5.12-1.34a9.67%209.67%200%200%200%204.67%201.19h.01c5.34%200%209.68-4.33%209.69-9.66%200-2.58-1-5.01-2.83-6.84a9.61%209.61%200%200%200-6.87-2.85Zm.01%2017.72h-.01a8.05%208.05%200%200%201-4.1-1.12l-.29-.17-3.04.8.81-2.96-.19-.3a8.03%208.03%200%200%201-1.23-4.31c0-4.42%203.61-8.02%208.05-8.02%202.15%200%204.17.84%205.69%202.36a7.98%207.98%200%200%201%202.36%205.69c-.01%204.43-3.61%208.03-8.05%208.03Zm4.41-6.01c-.24-.12-1.43-.7-1.65-.78-.22-.08-.38-.12-.54.12-.16.24-.62.78-.76.94-.14.16-.28.18-.52.06-.24-.12-1.02-.38-1.94-1.2-.72-.64-1.2-1.43-1.34-1.67-.14-.24-.02-.37.1-.49.11-.11.24-.28.36-.42.12-.14.16-.24.24-.4.08-.16.04-.3-.02-.42-.06-.12-.54-1.3-.74-1.78-.19-.46-.39-.4-.54-.41h-.46c-.16%200-.42.06-.64.3-.22.24-.84.82-.84%202s.86%202.32.98%202.48c.12.16%201.69%202.58%204.1%203.62.57.25%201.02.4%201.37.51.58.18%201.1.16%201.51.1.46-.07%201.43-.58%201.63-1.14.2-.56.2-1.04.14-1.14-.06-.1-.22-.16-.46-.28Z%22%2F%3E%20%3C%2Fsvg%3E") center / contain no-repeat;
}

.btn-primary {
    color: #031012;
    background: var(--cyan);
    box-shadow: 0 16px 38px rgba(32, 196, 223, 0.23);
}

.btn-primary:hover {
    background: #58d8ea;
}

.btn-secondary {
    color: var(--white);
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.08);
}

.hero {
    min-height: 92vh;
    display: flex;
    align-items: center;
    padding: 140px 0 70px;
    position: relative;
    overflow: hidden;
    isolation: isolate;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -2;
    background:
        radial-gradient(circle at 80% 20%, rgba(32, 196, 223, 0.18), transparent 34%),
        linear-gradient(90deg, rgba(5, 5, 5, 0.96), rgba(5, 5, 5, 0.82) 52%, rgba(5, 5, 5, 0.64)),
        url("https://images.unsplash.com/photo-1559136555-9303baea8ebd?auto=format&fit=crop&w=1800&q=80") center / cover;
}

.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 72px 72px;
    mask-image: linear-gradient(90deg, rgba(0, 0, 0, 0.76), transparent 78%);
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.72fr);
    gap: 42px;
    align-items: center;
}

.hero-aside {
    display: grid;
    gap: 18px;
}

.hero-visual {
    position: relative;
    margin: 0;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: var(--radius);
    overflow: hidden;
    background: rgba(255, 255, 255, 0.06);
    box-shadow: var(--shadow);
}

.hero-visual img {
    width: 100%;
    height: auto;
    aspect-ratio: 3 / 2;
    object-fit: cover;
}

.hero-visual::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.16), transparent 34%),
        linear-gradient(135deg, transparent 58%, rgba(32, 196, 223, 0.2));
}

.hero-copy .lead {
    max-width: 760px;
    margin-bottom: 28px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 28px;
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.hero-tags span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    min-height: 34px;
    padding: 0 11px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 999px;
    color: #e8eef0;
    background: rgba(0, 0, 0, 0.34);
    font-size: 13px;
    font-weight: 850;
}

.offer-card {
    padding: 26px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(10, 14, 16, 0.84);
    box-shadow: var(--shadow);
}

.offer-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 22px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--line);
}

.service-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--cyan);
    font-size: 13px;
    font-weight: 900;
    text-transform: uppercase;
}

.offer-list {
    display: grid;
    gap: 14px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.offer-list li {
    display: flex;
    gap: 10px;
    color: #d7e0e3;
    line-height: 1.5;
}

.offer-list i {
    flex: 0 0 auto;
    color: var(--cyan);
    margin-top: 2px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.card {
    min-height: 210px;
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.052);
}

.section-light .card {
    border-color: var(--line-dark);
    background: #ffffff;
}

.icon-shell {
    width: 46px;
    height: 46px;
    display: inline-grid;
    place-items: center;
    margin-bottom: 18px;
    border-radius: var(--radius);
    color: var(--cyan);
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.06);
}

.section-light .icon-shell {
    border-color: var(--line-dark);
    background: #eef5f6;
}

.card p {
    margin-bottom: 0;
}

.process {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
}

.process-step {
    min-height: 250px;
    padding: 24px;
    border-right: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.045);
}

.process-step:last-child {
    border-right: 0;
}

.step-number {
    display: inline-grid;
    place-items: center;
    width: 38px;
    height: 38px;
    margin-bottom: 20px;
    border-radius: var(--radius);
    color: #031012;
    background: var(--cyan);
    font-weight: 900;
}

.deliverables {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.deliverables li {
    display: flex;
    gap: 10px;
    min-height: 70px;
    align-items: flex-start;
    padding: 18px;
    border: 1px solid var(--line-dark);
    border-radius: var(--radius);
    color: #263236;
    background: #ffffff;
    line-height: 1.55;
    font-weight: 700;
}

.deliverables i {
    flex: 0 0 auto;
    color: #0999af;
    margin-top: 2px;
}

.authority {
    display: grid;
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: 28px;
    align-items: center;
    padding: 32px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: linear-gradient(135deg, rgba(32, 196, 223, 0.12), rgba(255, 255, 255, 0.045));
}

.authority-points {
    display: grid;
    gap: 12px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.authority-points li {
    display: flex;
    gap: 10px;
    color: #d8e2e5;
}

.authority-points i {
    color: var(--cyan);
    flex: 0 0 auto;
    margin-top: 2px;
}

.faq-list {
    display: grid;
    gap: 12px;
}

.faq-item {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.052);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    min-height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 0 20px;
    color: var(--white);
    background: transparent;
    text-align: left;
    font-weight: 900;
}

.faq-question i {
    flex: 0 0 auto;
    transition: transform 170ms ease;
}

.faq-item.is-open .faq-question i {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 220ms ease;
}

.faq-answer p {
    margin: 0;
    padding: 0 20px 20px;
}

.final-cta {
    background:
        radial-gradient(circle at 86% 16%, rgba(32, 196, 223, 0.18), transparent 34%),
        linear-gradient(180deg, #101417, #050505);
}

.contact-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
    gap: 30px;
    align-items: start;
}

.contact-panel,
.contact-form {
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.055);
}

.contact-list {
    display: grid;
    gap: 12px;
    margin: 24px 0 0;
    padding: 0;
    list-style: none;
}

.contact-list li {
    display: flex;
    gap: 10px;
    color: #d7e0e3;
}

.contact-list i {
    color: var(--cyan);
    flex: 0 0 auto;
    margin-top: 2px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}

.form-field {
    display: grid;
    gap: 8px;
}

.form-field.full {
    grid-column: 1 / -1;
}

label {
    color: #e7eef0;
    font-size: 14px;
    font-weight: 850;
}

input,
textarea {
    width: 100%;
    min-height: 50px;
    color: var(--white);
    background: #07090a;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--radius);
    padding: 0 14px;
    outline: none;
}

textarea {
    min-height: 118px;
    padding: 14px;
    resize: vertical;
}

input:focus,
textarea:focus {
    border-color: var(--cyan);
    box-shadow: 0 0 0 3px rgba(32, 196, 223, 0.14);
}

input[readonly] {
    color: #d9e2e6;
    background: rgba(255, 255, 255, 0.07);
}

.form-note {
    margin: 12px 0 0;
    color: #8e9aa0;
    font-size: 13px;
}

.floating-whatsapp {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 82;
    width: 58px;
    height: 58px;
    display: inline-grid;
    place-items: center;
    border-radius: 50%;
    color: #04130a;
    background: #25d366;
    box-shadow: 0 18px 44px rgba(37, 211, 102, 0.28);
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
    transition: opacity 170ms ease, transform 170ms ease;
}

.floating-whatsapp .whatsapp-icon {
    width: 28px;
    height: 28px;
}

.floating-whatsapp.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.site-footer {
    padding: 28px 0;
    border-top: 1px solid var(--line);
    color: #8e9aa0;
    background: #030303;
    font-size: 14px;
}

.footer-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

[data-reveal] {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 560ms ease, transform 560ms ease;
}

[data-reveal].is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 1040px) {
    .hero-grid,
    .contact-grid,
    .authority {
        grid-template-columns: 1fr;
    }

    .hero-aside {
        max-width: 620px;
    }

    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .process {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-step {
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .process-step:nth-child(odd) {
        border-right: 1px solid var(--line);
    }
}

@media (max-width: 860px) {
    .menu-toggle {
        display: inline-grid;
    }

    .nav-actions .btn {
        display: none;
    }

    .nav-links {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        height: calc(100vh - var(--header-height));
        display: grid;
        align-content: start;
        gap: 0;
        padding: 18px 20px;
        background: rgba(5, 5, 5, 0.98);
        transform: translateX(100%);
        transition: transform 210ms ease;
    }

    .nav-links.is-open {
        transform: translateX(0);
    }

    .nav-links a {
        min-height: 56px;
        display: flex;
        align-items: center;
        border-bottom: 1px solid var(--line);
        font-size: 18px;
    }

    .hero {
        min-height: auto;
        padding-top: 124px;
    }

    .grid-3,
    .grid-4,
    .deliverables,
    .form-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .container {
        width: min(100% - 28px, var(--container));
    }

    .section {
        padding: 70px 0;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .btn {
        min-height: 52px;
        padding: 12px 16px;
        white-space: normal;
        line-height: 1.2;
        text-align: center;
    }

    .offer-card,
    .hero-visual,
    .contact-panel,
    .contact-form,
    .authority {
        padding: 22px;
    }

    .process {
        grid-template-columns: 1fr;
    }

    .process-step:nth-child(odd) {
        border-right: 0;
    }

    .footer-row {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }

    [data-reveal] {
        opacity: 1;
        transform: none;
    }
}