/* MediaFast institutional — E3CTECH */
:root {
    --mf-navy: #01162b;
    --mf-navy-hover: #001224;
    --mf-brand: #00008b;
    --mf-teal: #0F766E;
    --mf-teal-hover: #115E59;
    --mf-teal-active: #0B4F4B;
    --mf-text: #212529;
    --mf-muted: #6c757d;
    /* Tons sutis para fundos */
    --mf-bg-subtle: #f6f8fa;
    --mf-bg-card: #f4f8f8;
    --mf-bg-section-alt: #eef4f4;
    --mf-border-subtle: rgba(15, 118, 110, 0.12);
    --mf-border-card: rgba(1, 22, 43, 0.06);
}

* {
    scroll-margin-top: 80px;
}

body {
    font-family: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 1.125rem;
    color: var(--mf-text);
    line-height: 1.65;
    background-color: #f5f5f5;
}

/* Navbar */
.mf-navbar {
    background-color: var(--mf-navy) !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.mf-logo-nav {
    max-height: 36px;
    width: auto;
}

.navbar-dark .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    font-weight: 500;
}

.navbar-dark .navbar-nav .nav-link:hover {
    color: #fff;
}

.navbar-dark .navbar-nav .nav-link.active {
    color: #fff;
    font-weight: 600;
}

.btn-mf-teal-cta {
    background-color: var(--mf-teal);
    color: #fff !important;
    padding: 0.4rem 1rem;
    border-radius: 0.375rem;
    margin-left: 0.5rem;
}

.btn-mf-teal-cta:hover {
    background-color: var(--mf-teal-hover);
    color: #fff !important;
}

/* Hero — proporção 3:1 da arte, preenche sem cortar */
.mf-hero {
    position: relative;
    padding: 0;
    min-height: 0;
    aspect-ratio: 3 / 1;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, rgba(1, 22, 43, 0.75) 0%, rgba(1, 22, 43, 0.65) 100%),
                url("../img/hero_1.jpg") center center no-repeat;
    background-size: 100% 100%;
    color: #fff;
}

/* Logo no canto inferior direito do hero (por cima do gradiente, como o texto) */
.mf-hero-logo {
    position: absolute;
    bottom: 1.25rem;
    right: 1.25rem;
    max-height: 52px;
    width: auto;
    z-index: 2;
}

.mf-hero .container {
    padding-top: 2rem;
    padding-bottom: 2rem;
}

.mf-hero h1 {
    color: #fff;
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.mf-hero .lead {
    color: rgba(255, 255, 255, 0.92);
    font-size: clamp(1.125rem, 2.5vw, 1.375rem);
    font-weight: 500;
}

/* Buttons */
.btn-mf-teal {
    --bs-btn-color: #fff;
    --bs-btn-bg: var(--mf-teal);
    --bs-btn-border-color: var(--mf-teal);
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: var(--mf-teal-hover);
    --bs-btn-hover-border-color: var(--mf-teal-hover);
    --bs-btn-active-bg: var(--mf-teal-active);
    --bs-btn-active-border-color: var(--mf-teal-active);
}

.btn-mf-outline-teal {
    --bs-btn-color: var(--mf-teal);
    --bs-btn-border-color: var(--mf-teal);
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: var(--mf-teal);
    --bs-btn-hover-border-color: var(--mf-teal);
}

.btn-mf-navy {
    --bs-btn-color: #fff;
    --bs-btn-bg: var(--mf-navy);
    --bs-btn-border-color: var(--mf-navy);
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: var(--mf-navy-hover);
    --bs-btn-hover-border-color: var(--mf-navy-hover);
}

/* Sections — fundo claro e texto sempre legível */
.mf-section {
    padding-top: 3rem;
    padding-bottom: 3rem;
    background-color: #fff;
    color: var(--mf-text);
}

.mf-section .lead,
.mf-section p {
    color: var(--mf-text);
}

.mf-section .lead {
    font-size: 1.25rem;
    font-weight: 500;
}

.mf-section p {
    font-size: 1.125rem;
}

.mf-section-alt {
    background-color: #f8f9fa;
}

.mf-section-title {
    color: var(--mf-navy);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.mf-section-alt .mf-section-title {
    color: var(--mf-navy);
}

/* Cards */
.mf-card {
    background-color: var(--mf-bg-card);
    border: 1px solid var(--mf-border-card);
    border-radius: 0.5rem;
    transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.mf-card:hover {
    box-shadow: 0 4px 16px rgba(1, 22, 43, 0.06);
    border-color: var(--mf-border-subtle);
}

.mf-card .card-title {
    color: var(--mf-navy);
    font-size: 1.25rem;
    font-weight: 700;
}

.mf-card .card-text.small {
    font-size: 1rem;
    color: var(--mf-text);
}

.mf-card-icon {
    width: 48px;
    height: 48px;
    border-radius: 0.5rem;
    background-color: rgba(15, 118, 110, 0.08);
    color: var(--mf-teal);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* CTA section */
.mf-cta {
    background-color: var(--mf-navy);
    color: #fff;
}

.mf-cta .mf-section-title {
    color: #fff;
}

.mf-cta p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.25rem;
}

/* Footer */
.mf-footer {
    background-color: var(--mf-navy);
    color: rgba(255, 255, 255, 0.85);
}

.mf-logo-footer {
    max-height: 32px;
    width: auto;
    filter: brightness(0) invert(1);
}

.mf-footer .text-muted {
    color: rgba(255, 255, 255, 0.6) !important;
}

.mf-footer .btn-mf-outline-teal {
    --bs-btn-color: #fff;
    --bs-btn-border-color: rgba(255, 255, 255, 0.6);
    --bs-btn-hover-bg: var(--mf-teal);
    --bs-btn-hover-border-color: var(--mf-teal);
    --bs-btn-hover-color: #fff;
}