.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-weight: 800;
    line-height: 1;
    padding: 13px 18px;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.btn:hover,
.btn:focus {
    transform: translateY(-1px);
    box-shadow: 0 10px 22px rgba(7, 56, 79, 0.12);
}

a:focus-visible,
button:focus-visible {
    outline: 3px solid rgba(214, 155, 45, 0.75);
    outline-offset: 3px;
}

.btn-primary {
    background: var(--color-blue-800);
    color: var(--color-white);
}

.btn-primary:hover,
.btn-primary:focus {
    background: var(--color-blue-900);
}

.btn-secondary {
    background: var(--color-white);
    border-color: var(--color-line);
    color: var(--color-blue-900);
}

.btn-green {
    background: var(--color-green-700);
    color: var(--color-white);
}

.btn-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.hero {
    position: relative;
    min-height: calc(100vh - var(--header-height));
    display: grid;
    align-items: center;
    padding: clamp(88px, 14vw, 148px) 0 clamp(48px, 9vw, 88px);
    background-color: var(--color-blue-900);
    background-image:
        linear-gradient(
            90deg,
            rgba(7, 56, 79, 0.88),
            rgba(7, 56, 79, 0.56) 50%,
            rgba(7, 56, 79, 0.18)
        ),
        var(--hero-image);
    background-position: center;
    background-size: cover;
    color: var(--color-white);
}

.hero::after {
    content: "";
    position: absolute;
    inset: auto 0 0;
    height: 8px;
    background: linear-gradient(
        90deg,
        var(--color-green-600),
        var(--color-gold-500),
        var(--color-coral-500)
    );
}

.hero-content {
    position: relative;
    max-width: 780px;
}

.hero h1,
.hero p {
    color: var(--color-white);
}

.hero .eyebrow {
    color: #9fe2c1;
}

.hero .lead {
    max-width: 680px;
    margin: 20px 0 28px;
}

.stat-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid rgba(255, 255, 255, 0.26);
    gap: 18px;
    margin-top: 42px;
    padding-top: 22px;
}

.stat-strip strong {
    display: block;
    color: var(--color-white);
    font-size: 1.45rem;
}

.stat-strip span {
    color: rgba(255, 255, 255, 0.82);
    font-size: 0.92rem;
}

.grid {
    display: grid;
    gap: 22px;
}

.grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
    height: 100%;
    border: 1px solid var(--color-line);
    border-radius: var(--radius);
    background: var(--color-white);
    padding: 24px;
    box-shadow: 0 8px 22px rgba(7, 56, 79, 0.06);
}

.card h3 {
    margin-bottom: 10px;
}

.card-accent {
    border-top: 5px solid var(--color-green-600);
}

.feature-panel {
    border-radius: var(--radius);
    background: var(--color-blue-900);
    color: var(--color-white);
    padding: clamp(28px, 5vw, 46px);
}

.feature-panel h2,
.feature-panel h3,
.feature-panel p {
    color: var(--color-white);
}

.feature-panel p {
    opacity: 0.84;
}

.list-check {
    display: grid;
    gap: 12px;
    list-style: none;
}

.list-check li {
    position: relative;
    color: #40535c;
    padding-left: 28px;
}

.list-check li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-green-600);
    box-shadow: inset 0 0 0 3px #dff3e9;
}

.cta-band {
    background: var(--color-blue-900);
    color: var(--color-white);
    padding: clamp(44px, 7vw, 72px) 0;
}

.cta-band .container {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 28px;
}

.cta-band h2,
.cta-band p {
    color: var(--color-white);
}

.cta-band p {
    opacity: 0.84;
    margin-top: 10px;
}

.form-card {
    border: 1px solid var(--color-line);
    border-radius: var(--radius);
    background: var(--color-white);
    padding: clamp(24px, 4vw, 34px);
    box-shadow: var(--shadow-soft);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.field {
    display: grid;
    gap: 7px;
}

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

label {
    color: var(--color-blue-900);
    font-weight: 800;
}

input,
textarea,
select {
    width: 100%;
    border: 1px solid #cfdde2;
    border-radius: var(--radius);
    background: #fbfdfe;
    color: var(--color-ink);
    padding: 12px 13px;
}

textarea {
    min-height: 150px;
    resize: vertical;
}

input:focus,
textarea:focus,
select:focus {
    border-color: var(--color-blue-800);
    box-shadow: 0 0 0 3px rgba(19, 120, 165, 0.16);
    outline: none;
}

.field-error {
    border-color: var(--color-coral-500) !important;
}

.alert {
    border-radius: var(--radius);
    margin-bottom: 20px;
    padding: 14px 16px;
}

.alert-success {
    background: #e5f6ee;
    color: #155d3d;
}

.alert-error {
    background: #fae9e5;
    color: #8f2c1b;
}

.whatsapp-float {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 70;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 2px solid rgba(255, 255, 255, 0.78);
    border-radius: 50%;
    background: #25d366;
    color: var(--color-white);
    font-size: 1.9rem;
    box-shadow: 0 14px 34px rgba(7, 56, 79, 0.3);
    transition:
        background 0.2s ease,
        box-shadow 0.2s ease,
        transform 0.2s ease;
}

.whatsapp-float:hover,
.whatsapp-float:focus-visible {
    background: #1fbd5a;
    color: var(--color-white);
    box-shadow: 0 18px 40px rgba(7, 56, 79, 0.38);
    transform: scale(1.08);
}

.whatsapp-float i {
    display: block;
    line-height: 1;
}

@media (max-width: 980px) {
    .grid-4,
    .grid-3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .cta-band .container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 680px) {
    .hero {
        min-height: 760px;
        background-image:
            linear-gradient(
                180deg,
                rgba(7, 56, 79, 0.88),
                rgba(7, 56, 79, 0.68)
            ),
            var(--hero-image);
    }

    .stat-strip,
    .grid-4,
    .grid-3,
    .grid-2,
    .form-grid {
        grid-template-columns: 1fr;
    }
}