:root {
    --ink: #0f172a;
    --ink-soft: #334155;
    --muted: #64748b;
    --line: #dbe7e6;
    --bg: #f7fbfb;
    --panel: #ffffff;
    --panel-soft: #eef9f8;
    --brand: #0f766e;
    --brand-dark: #115e59;
    --brand-light: #14b8a6;
    --blue: #2563eb;
    --amber: #f59e0b;
    --good: #16a34a;
    --shadow: 0 24px 70px rgba(15, 23, 42, 0.11);
    --shadow-soft: 0 14px 42px rgba(15, 23, 42, 0.08);
    --radius: 24px;
    --radius-sm: 16px;
    --max: 1180px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--ink);
    background:
        radial-gradient(circle at top left, rgba(20, 184, 166, 0.16), transparent 34rem),
        radial-gradient(circle at top right, rgba(37, 99, 235, 0.10), transparent 30rem),
        var(--bg);
    line-height: 1.6;
}

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

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

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

.top-strip {
    background: #0f172a;
    color: #e2e8f0;
    font-size: 13px;
}

.top-strip-inner {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    padding: 8px 0;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(247, 251, 251, 0.92);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(15, 118, 110, 0.12);
}

.nav-wrap {
    min-height: 78px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.brand-mark {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--brand), var(--blue));
    color: #fff;
    font-weight: 900;
    box-shadow: var(--shadow-soft);
}

.brand strong {
    display: block;
    font-size: 20px;
    line-height: 1;
    letter-spacing: -0.04em;
}

.brand small {
    display: block;
    color: var(--muted);
    font-weight: 700;
    margin-top: 4px;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 14px;
    font-weight: 800;
}

.main-nav a {
    padding: 11px 12px;
    border-radius: 999px;
    color: var(--ink-soft);
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--brand-dark);
    background: rgba(20, 184, 166, 0.10);
}

.main-nav .nav-cta {
    color: #fff;
    background: var(--brand);
    box-shadow: 0 12px 30px rgba(15, 118, 110, 0.22);
}

.main-nav .nav-cta:hover {
    color: #fff;
    background: var(--brand-dark);
}

.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--line);
    background: #fff;
    border-radius: 14px;
    padding: 10px;
}

.menu-toggle span {
    display: block;
    height: 2px;
    background: var(--ink);
    margin: 5px 0;
    border-radius: 99px;
}

.hero {
    padding: 86px 0 50px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.08fr 0.92fr;
    gap: 44px;
    align-items: center;
}

.kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border: 1px solid rgba(15, 118, 110, 0.20);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.72);
    color: var(--brand-dark);
    font-size: 13px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.kicker::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 99px;
    background: var(--good);
    box-shadow: 0 0 0 5px rgba(22, 163, 74, 0.12);
}

h1,
h2,
h3 {
    letter-spacing: -0.045em;
    line-height: 1.06;
    margin: 0;
}

h1 {
    font-size: clamp(42px, 6vw, 74px);
    margin-top: 22px;
}

h2 {
    font-size: clamp(32px, 4vw, 52px);
}

h3 {
    font-size: 22px;
}

.lead {
    font-size: 20px;
    color: var(--ink-soft);
    max-width: 760px;
    margin: 24px 0 0;
}

.hero-actions,
.section-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 32px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 13px 18px;
    border-radius: 999px;
    font-weight: 900;
    border: 1px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background: var(--brand);
    color: #fff;
    box-shadow: 0 16px 36px rgba(15, 118, 110, 0.22);
}

.btn-primary:hover {
    background: var(--brand-dark);
}

.btn-secondary {
    background: #fff;
    color: var(--ink);
    border-color: var(--line);
}

.btn-secondary:hover {
    border-color: rgba(15, 118, 110, 0.35);
    color: var(--brand-dark);
}

.trust-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-top: 34px;
}

.trust-pill {
    background: rgba(255, 255, 255, 0.76);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 14px;
    font-size: 13px;
    color: var(--ink-soft);
    font-weight: 800;
}

.hero-card {
    position: relative;
    background: linear-gradient(180deg, #ffffff, #eef9f8);
    border: 1px solid rgba(15, 118, 110, 0.16);
    border-radius: 32px;
    padding: 28px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.hero-card::before {
    content: "";
    position: absolute;
    inset: -80px -80px auto auto;
    width: 220px;
    height: 220px;
    border-radius: 999px;
    background: rgba(20, 184, 166, 0.16);
}

.signal-visual {
    position: relative;
    min-height: 420px;
    display: grid;
    align-content: center;
    gap: 18px;
}

.signal-node {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 18px;
    box-shadow: var(--shadow-soft);
}

.signal-node strong {
    display: block;
    font-size: 16px;
}

.signal-node span {
    display: block;
    color: var(--muted);
    margin-top: 4px;
    font-size: 14px;
}

.signal-bars {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    align-items: end;
    gap: 8px;
    height: 120px;
    margin: 16px 0;
}

.signal-bars i {
    display: block;
    border-radius: 999px 999px 8px 8px;
    background: linear-gradient(180deg, var(--brand-light), var(--brand));
}

.signal-bars i:nth-child(1) { height: 36%; }
.signal-bars i:nth-child(2) { height: 56%; }
.signal-bars i:nth-child(3) { height: 78%; }
.signal-bars i:nth-child(4) { height: 100%; }

.stat-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}

.stat {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 16px;
}

.stat strong {
    font-size: 28px;
    letter-spacing: -0.04em;
    display: block;
}

.stat span {
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
}

.section {
    padding: 72px 0;
}

.section-header {
    max-width: 820px;
    margin-bottom: 34px;
}

.section-header p {
    color: var(--ink-soft);
    font-size: 18px;
    margin: 18px 0 0;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
}

.card {
    background: rgba(255, 255, 255, 0.86);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 26px;
    box-shadow: var(--shadow-soft);
}

.card p {
    color: var(--ink-soft);
    margin: 12px 0 0;
}

.card ul {
    padding-left: 18px;
    margin: 16px 0 0;
    color: var(--ink-soft);
}

.card li + li {
    margin-top: 8px;
}

.icon {
    width: 46px;
    height: 46px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    background: rgba(20, 184, 166, 0.12);
    color: var(--brand-dark);
    font-weight: 900;
    margin-bottom: 18px;
}

.band {
    background: #0f172a;
    color: #fff;
    border-radius: 36px;
    padding: 46px;
    box-shadow: var(--shadow);
}

.band p {
    color: #cbd5e1;
}

.check-list {
    display: grid;
    gap: 12px;
    margin-top: 22px;
}

.check-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    color: var(--ink-soft);
}

.check-item::before {
    content: "✓";
    flex: 0 0 24px;
    width: 24px;
    height: 24px;
    display: grid;
    place-items: center;
    border-radius: 999px;
    background: rgba(22, 163, 74, 0.12);
    color: var(--good);
    font-weight: 900;
}

.seo-panel {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 28px;
}

.form-panel {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 28px;
    padding: 30px;
    box-shadow: var(--shadow-soft);
}

.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 {
    font-weight: 800;
    font-size: 14px;
}

input,
select,
textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 13px 14px;
    font: inherit;
    background: #fff;
    color: var(--ink);
}

textarea {
    min-height: 130px;
    resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
    outline: 3px solid rgba(20, 184, 166, 0.18);
    border-color: var(--brand-light);
}

.site-footer {
    background: #07111f;
    color: #e2e8f0;
    padding: 58px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 42px;
}

.footer-brand .brand-mark {
    box-shadow: none;
}

.site-footer p {
    color: #94a3b8;
    max-width: 520px;
}

.site-footer h3 {
    font-size: 16px;
    letter-spacing: 0;
    margin-bottom: 14px;
}

.site-footer a:not(.brand):not(.btn) {
    display: block;
    color: #cbd5e1;
    margin: 9px 0;
}

.site-footer a:hover {
    color: #fff;
}

.footer-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.10);
    margin-top: 42px;
    padding-top: 20px;
    color: #94a3b8;
    display: flex;
    justify-content: space-between;
    gap: 18px;
    font-size: 13px;
}

.floating-whatsapp {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 60;
    background: #16a34a;
    color: #fff;
    padding: 13px 18px;
    border-radius: 999px;
    font-weight: 900;
    box-shadow: 0 16px 40px rgba(22, 163, 74, 0.35);
}

[data-reveal] {
    opacity: 0;
    transform: translateY(16px);
    transition: 0.55s ease;
}

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

@media (max-width: 1020px) {
    .hero-grid,
    .grid-2 {
        grid-template-columns: 1fr;
    }

    .grid-3,
    .trust-row {
        grid-template-columns: repeat(2, 1fr);
    }

    .main-nav {
        position: absolute;
        left: 20px;
        right: 20px;
        top: 100%;
        display: none;
        flex-direction: column;
        align-items: stretch;
        background: #fff;
        border: 1px solid var(--line);
        border-radius: 20px;
        padding: 12px;
        box-shadow: var(--shadow);
    }

    .main-nav.open {
        display: flex;
    }

    .main-nav a {
        border-radius: 14px;
    }

    .menu-toggle {
        display: block;
    }
}

@media (max-width: 720px) {
    .container {
        width: min(100% - 28px, var(--max));
    }

    .top-strip-inner,
    .footer-bottom {
        flex-direction: column;
    }

    .hero {
        padding: 52px 0 34px;
    }

    .hero-card {
        padding: 22px;
    }

    .signal-visual {
        min-height: 320px;
    }

    .grid-3,
    .grid-2,
    .trust-row,
    .stat-grid,
    .footer-grid,
    .form-grid {
        grid-template-columns: 1fr;
    }

    .band {
        padding: 28px;
        border-radius: 24px;
    }

    h1 {
        font-size: 42px;
    }

    .lead {
        font-size: 18px;
    }
}