/* ============================================================
   MUKONGO TRANSPORTES — STYLESHEET
   Mobile-first. CSS variables. BEM-ish reusable classes.
   ============================================================ */

:root {
    /* Brand colors */
    --color-blue-primary: #0D47A1;
    --color-blue-dark: #121358;
    --color-orange-primary: #FB6C00;
    --color-orange-secondary: #E2852E;
    --color-black: #080616;

    --color-white: #FFFFFF;
    --color-grey-light: #F4F6FA;
    --color-grey-mid: #6B7280;
    --color-border: #E4E7ED;

    --gradient-dark: linear-gradient(135deg, var(--color-blue-dark) 0%, var(--color-blue-primary) 100%);
    --gradient-cta: linear-gradient(135deg, var(--color-orange-primary) 0%, var(--color-orange-secondary) 100%);

    /* Typography */
    --font-display: 'Space Grotesk', 'Inter', sans-serif;
    --font-body: 'Inter', 'IBM Plex Sans', sans-serif;

    /* Layout */
    --container-width: 1200px;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --shadow-soft: 0 12px 32px rgba(8, 6, 22, 0.08);
    --shadow-strong: 0 20px 48px rgba(8, 6, 22, 0.18);

    --header-height: 76px;
}

/* -------------------- Reset -------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--color-black);
    background: var(--color-white);
    -webkit-font-smoothing: antialiased;
    line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
button { font-family: inherit; cursor: pointer; }
h1, h2, h3, h4 {
    font-family: var(--font-display);
    line-height: 1.15;
    margin: 0 0 0.5em;
    letter-spacing: -0.01em;
}
p { margin: 0 0 1em; color: #33344A; max-width: 62ch; }

:focus-visible {
    outline: 3px solid var(--color-orange-primary);
    outline-offset: 2px;
}

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

.container {
    width: 100%;
    max-width: var(--container-width);
    margin-inline: auto;
    padding-inline: 20px;
}

section { padding: 64px 0; }

.eyebrow {
    display: inline-block;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--color-orange-primary);
    margin-bottom: 14px;
}
.eyebrow-light { color: var(--color-orange-secondary); }

.section-head { max-width: 640px; margin-bottom: 40px; }
.section-head h2 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); }

/* -------------------- Buttons -------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 26px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    border: 2px solid transparent;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.2s ease;
    white-space: nowrap;
}
.btn-cta {
    background: var(--gradient-cta);
    color: var(--color-white);
    box-shadow: 0 8px 20px rgba(251, 108, 0, 0.28);
}
.btn-cta:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(251, 108, 0, 0.36); }
.btn-outline {
    border-color: var(--color-blue-primary);
    color: var(--color-blue-primary);
    background: transparent;
}
.btn-outline:hover { background: var(--color-blue-primary); color: var(--color-white); }
.btn-outline-light {
    border-color: rgba(255,255,255,0.5);
    color: var(--color-white);
    background: transparent;
}
.btn-outline-light:hover { background: rgba(255,255,255,0.15); }
.btn-lg { padding: 15px 30px; font-size: 1rem; }
.btn-xl { padding: 18px 40px; font-size: 1.05rem; }
.btn-block { width: 100%; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
    position: fixed;
    inset-inline: 0;
    top: 0;
    z-index: 100;
    height: var(--header-height);
    display: flex;
    align-items: center;
    background: rgba(8, 6, 22, 0.25);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: background 0.3s ease, box-shadow 0.3s ease;
}
.site-header.is-scrolled {
    background: var(--color-black);
    box-shadow: 0 4px 20px rgba(0,0,0,0.25);
}
.header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

 
.brand-logo {
    display: block;
    width: 80px;
    height: auto;
}
.brand {
    display: flex;
    align-items: center;
    gap: 10px;
}
.brand-name {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--color-white);
    line-height: 1.1;
    display: flex;
    flex-direction: column;
}
.brand-name-sub {
    font-size: 0.6rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    color: var(--color-orange-secondary);
}
.main-nav ul { display: flex; gap: 28px; }
.main-nav a {
    color: rgba(255,255,255,0.85);
    font-size: 0.92rem;
    font-weight: 500;
    transition: color 0.2s ease;
}
.main-nav a:hover { color: var(--color-orange-primary); }
.header-actions { display: flex; align-items: center; gap: 14px; }

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    padding: 6px;
}
.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-white);
    border-radius: 2px;
    transition: transform 0.25s ease, opacity 0.25s ease;
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
    position: fixed;
    top: var(--header-height);
    inset-inline: 0;
    background: var(--color-black);
    padding: 24px 20px 32px;
    display: none;
    flex-direction: column;
    gap: 22px;
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
}
.mobile-nav.is-open { display: flex; }
.mobile-nav ul { display: flex; flex-direction: column; gap: 18px; }
.mobile-nav-link { color: var(--color-white); font-size: 1.05rem; font-weight: 500; }

@media (max-width: 900px) {
    .main-nav { display: none; }
    .header-actions .btn-cta { display: none; }
    .menu-toggle { display: flex; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
    position: relative;
    background: var(--gradient-dark);
    padding-top: calc(var(--header-height) + 56px);
    padding-bottom: 72px;
    overflow: hidden;
}
.hero-backdrop { position: absolute; inset: 0; overflow: hidden; }
.hero-route { position: absolute; inset: 0; width: 100%; height: 100%; }

.hero-grid {
    position: relative;
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    align-items: center;
}
.hero-content { color: var(--color-white); }
.badge {
    display: inline-block;
    padding: 8px 16px;
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--color-orange-secondary);
    background: rgba(255,255,255,0.05);
    margin-bottom: 22px;
}
.hero-title {
    font-size: clamp(2.1rem, 5.5vw, 3.4rem);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 16px;
}
.hero-subtitle {
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--color-orange-secondary);
    max-width: 46ch;
    margin-bottom: 14px;
}
.hero-text { color: rgba(255,255,255,0.78); max-width: 52ch; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin: 28px 0; }
.hero-ctas .btn-outline { border-color: rgba(255,255,255,0.4); color: var(--color-white); }
.hero-ctas .btn-outline:hover { background: rgba(255,255,255,0.12); }

.hero-indicators {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 22px;
    margin-top: 22px;
}
.hero-indicators li {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.75);
    padding-left: 18px;
    position: relative;
}
.hero-indicators li::before {
    content: '';
    position: absolute;
    left: 0; top: 50%;
    transform: translateY(-50%);
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--color-orange-primary);
}

.hero-media { position: relative; }
.hero-media-frame {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-strong);
    border: 1px solid rgba(255,255,255,0.12);
}
.hero-media-tag {
    position: absolute;
    bottom: -18px;
    left: -18px;
    background: var(--color-white);
    color: var(--color-black);
    padding: 12px 18px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-strong);
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}
.hero-media-tag strong { font-family: var(--font-display); font-size: 1rem; }
.hero-media-tag span { font-size: 0.75rem; color: var(--color-grey-mid); }

.image-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: linear-gradient(160deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
    border: 1.5px dashed rgba(255,255,255,0.35);
    color: rgba(255,255,255,0.65);
    text-align: center;
    font-size: 0.82rem;
    padding: 24px;
    min-height: 320px;
}
.image-placeholder svg { opacity: 0.7; }

@media (min-width: 760px) {
    .hero-grid { grid-template-columns: 1.05fr 0.95fr; gap: 40px; }
}

/* -------------------- Benefits bar -------------------- */
.benefits-bar { background: var(--color-blue-primary); padding: 30px 0; }
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.benefit { display: flex; flex-direction: column; gap: 4px; color: var(--color-white); text-align: center; }
.benefit-value { font-family: var(--font-display); font-weight: 700; font-size: 1.3rem; }
.benefit-label { font-size: 0.8rem; color: rgba(255,255,255,0.8); }
@media (min-width: 700px) {
    .benefits-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ============================================================
   ABOUT / QUEM SOMOS
   ============================================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
}
.image-placeholder-tall {
    min-height: 380px;
    border-radius: var(--radius-lg);
    color: var(--color-grey-mid);
    border-color: var(--color-border);
    background: var(--color-grey-light);
}
.about-content h2 { font-size: clamp(1.6rem, 3.4vw, 2.2rem); }
.highlight-card {
    margin-top: 28px;
    padding: 26px;
    border-radius: var(--radius-md);
    background: var(--color-grey-light);
    border-left: 4px solid var(--color-orange-primary);
}
.highlight-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.highlight-card p { margin: 0; }

@media (min-width: 860px) {
    .about-grid { grid-template-columns: 0.9fr 1.1fr; }
}

/* -------------------- Mission / Vision -------------------- */
.mission-vision { background: var(--color-grey-light); }
.mv-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}
.mv-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 32px;
    box-shadow: var(--shadow-soft);
}
.mv-icon {
    width: 52px; height: 52px;
    border-radius: 50%;
    background: var(--gradient-dark);
    color: var(--color-white);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 18px;
}
.mv-card h3 { font-size: 1.25rem; }
@media (min-width: 760px) { .mv-grid { grid-template-columns: 1fr 1fr; } }

/* -------------------- Values -------------------- */
.values-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}
.value-card {
    padding: 28px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color 0.2s ease, transform 0.2s ease;
}
.value-card:hover { border-color: var(--color-orange-primary); transform: translateY(-3px); }
.value-icon {
    width: 46px; height: 46px;
    border-radius: 12px;
    background: rgba(251, 108, 0, 0.1);
    color: var(--color-orange-primary);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 16px;
}
.value-card h3 { font-size: 1.1rem; }
.value-card p { font-size: 0.92rem; }
@media (min-width: 700px) { .values-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .values-grid { grid-template-columns: repeat(4, 1fr); } }

/* -------------------- Espírito Mukongo -------------------- */
.spirit {
    position: relative;
    background: var(--color-black);
    overflow: hidden;
    text-align: center;
    padding: 88px 0;
}
.spirit-decor {
    position: absolute;
    inset: -20% -10%;
    background:
        radial-gradient(circle at 15% 20%, rgba(13,71,161,0.4), transparent 45%),
        radial-gradient(circle at 85% 80%, rgba(251,108,0,0.22), transparent 45%);
}
.spirit-content { position: relative; max-width: 720px; margin-inline: auto; }
.spirit-phrase {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 4vw, 2.4rem);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 16px;
}
.spirit-text { color: rgba(255,255,255,0.72); margin-inline: auto; }

/* ============================================================
   SERVICES
   ============================================================ */
.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 22px;
}
.service-card {
    position: relative;
    padding: 32px;
    border-radius: var(--radius-lg);
    background: var(--color-grey-light);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); }
.service-index {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-orange-primary);
    margin-bottom: 14px;
}
.service-card h3 { font-size: 1.3rem; margin-bottom: 4px; }
.service-tagline { color: var(--color-blue-primary); font-weight: 600; font-size: 0.92rem; }
.service-benefits { margin: 12px 0 18px; display: flex; flex-wrap: wrap; gap: 8px; }
.service-benefits li {
    font-size: 0.78rem;
    padding: 5px 12px;
    border-radius: 999px;
    background: rgba(13,71,161,0.08);
    color: var(--color-blue-primary);
}
.service-cta {
    margin-top: auto;
    font-weight: 600;
    color: var(--color-orange-primary);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.service-card-soon { background: var(--gradient-dark); border: none; }
.service-card-soon h3, .service-card-soon .service-tagline, .service-card-soon p { color: var(--color-white); }
.service-card-soon .service-tagline { color: var(--color-orange-secondary); }
.service-card-soon .service-benefits li { background: rgba(255,255,255,0.12); color: var(--color-white); }
.service-card-soon .service-cta { color: var(--color-orange-secondary); }
.service-badge {
    position: absolute;
    top: 20px; right: 20px;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 5px 12px;
    border-radius: 999px;
    background: var(--gradient-cta);
    color: var(--color-white);
}
@media (min-width: 760px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }

/* ============================================================
   PARTNERSHIP / SEJA PARCEIRO
   ============================================================ */
.partnership {
    position: relative;
    background: linear-gradient(135deg, var(--color-blue-dark), var(--color-blue-primary) 55%, var(--color-orange-primary) 140%);
    color: var(--color-white);
    overflow: hidden;
}
.partnership-decor {
    position: absolute; inset: 0;
    background: radial-gradient(circle at 80% 0%, rgba(255,255,255,0.12), transparent 55%);
}
.partnership-head { position: relative; max-width: 720px; margin-bottom: 44px; }
.partnership-head h2 { font-size: clamp(1.7rem, 3.8vw, 2.4rem); color: var(--color-white); }
.partnership-head p { color: rgba(255,255,255,0.85); }

.partnership-grid {
    position: relative;
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
    margin-bottom: 36px;
}
.partnership-card {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.18);
    border-radius: var(--radius-md);
    padding: 26px;
}
.partnership-card h3 { font-size: 1.05rem; color: var(--color-white); }
.partnership-card p { color: rgba(255,255,255,0.8); margin: 0; font-size: 0.92rem; }
.partnership-ctas { position: relative; display: flex; flex-wrap: wrap; gap: 14px; }
@media (min-width: 760px) { .partnership-grid { grid-template-columns: repeat(3, 1fr); } }

/* -------------------- Commitment -------------------- */
.commitment-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}
.commitment-card {
    padding: 26px;
    border-radius: var(--radius-md);
    background: var(--color-grey-light);
}
.commitment-card h3 { font-size: 1.05rem; color: var(--color-blue-primary); }
.commitment-card p { margin: 0; font-size: 0.92rem; }
@media (min-width: 700px) { .commitment-grid { grid-template-columns: repeat(2, 1fr); } }

/* ============================================================
   AREAS DE ATUAÇÃO
   ============================================================ */
.areas-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
}
.areas-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 22px 0;
}
.areas-chips li {
    padding: 8px 16px;
    border-radius: 999px;
    background: var(--color-grey-light);
    border: 1px solid var(--color-border);
    font-size: 0.85rem;
    color: var(--color-blue-dark);
    font-weight: 500;
}
.areas-highlight {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--color-orange-primary);
    font-size: 1.05rem;
}
.areas-map { display: flex; justify-content: center; }
.areas-map svg { max-width: 340px; width: 100%; }
@media (min-width: 860px) { .areas-grid { grid-template-columns: 1.1fr 0.9fr; } }

/* -------------------- WhatsApp CTA strip -------------------- */
.whatsapp-cta {
    background: var(--color-black);
    text-align: center;
    padding: 72px 0;
}
.whatsapp-cta-content { max-width: 620px; margin-inline: auto; }
.whatsapp-cta h2 { color: var(--color-white); font-size: clamp(1.5rem, 3.4vw, 2rem); }
.whatsapp-cta p { color: rgba(255,255,255,0.75); margin-inline: auto; margin-bottom: 28px; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 44px;
}
.contact-list { margin: 24px 0; }
.contact-list > div {
    padding: 14px 0;
    border-bottom: 1px solid var(--color-border);
}
.contact-list dt { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-grey-mid); }
.contact-list dd { margin: 4px 0 0; font-weight: 600; }
.contact-hours h3 { font-size: 1rem; }
.contact-hours p { color: var(--color-blue-primary); font-weight: 600; margin: 0; }

.contact-form {
    background: var(--color-grey-light);
    border-radius: var(--radius-lg);
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.form-row { display: flex; flex-direction: column; gap: 6px; }
.form-row label { font-size: 0.85rem; font-weight: 600; }
.form-row input, .form-row textarea {
    font-family: inherit;
    font-size: 0.95rem;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    border: 1.5px solid var(--color-border);
    background: var(--color-white);
    resize: vertical;
}
.form-row input:focus, .form-row textarea:focus {
    border-color: var(--color-blue-primary);
    outline: none;
}
.form-row.has-error input, .form-row.has-error textarea { border-color: #D64545; }
.form-error { font-size: 0.78rem; color: #D64545; min-height: 1em; }
.form-feedback { text-align: center; font-weight: 600; min-height: 1.2em; }
.form-feedback.success { color: #1E8E5A; }
.form-feedback.error { color: #D64545; }
@media (min-width: 860px) { .contact-grid { grid-template-columns: 0.9fr 1.1fr; } }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer { background: var(--color-black); color: rgba(255,255,255,0.8); padding-top: 56px; }
.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.image-placeholder-logo {
    width: 140px;
    min-height: 60px;
    border-radius: var(--radius-sm);
    border-color: rgba(255,255,255,0.25);
    color: rgba(255,255,255,0.5);
    font-size: 0.72rem;
    padding: 10px;
}
.footer-slogan { color: rgba(255,255,255,0.85); font-weight: 500; margin-top: 16px; max-width: 30ch; }
.footer-col h3 { color: var(--color-white); font-size: 0.95rem; margin-bottom: 14px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a, .footer-col li { font-size: 0.88rem; color: rgba(255,255,255,0.68); }
.footer-col a:hover { color: var(--color-orange-primary); }
.footer-bottom { padding: 22px 0; text-align: center; font-size: 0.8rem; color: rgba(255,255,255,0.5); }
@media (min-width: 700px) { .footer-grid { grid-template-columns: 1.2fr repeat(3, 1fr); } }

/* -------------------- WhatsApp floating button -------------------- */
.whatsapp-float {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 90;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-strong);
    transition: transform 0.2s ease;
}
.whatsapp-float:hover { transform: scale(1.06); }
.whatsapp-float-tooltip {
    position: absolute;
    right: 68px;
    background: var(--color-black);
    color: var(--color-white);
    font-size: 0.78rem;
    padding: 6px 12px;
    border-radius: 6px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}
.whatsapp-float:hover .whatsapp-float-tooltip,
.whatsapp-float:focus-visible .whatsapp-float-tooltip { opacity: 1; }
@media (max-width: 500px) {
    .whatsapp-float { right: 14px; bottom: 14px; width: 52px; height: 52px; }
    .whatsapp-float-tooltip { display: none; }
}

/* -------------------- Reveal-on-scroll (single, restrained effect) -------------------- */
[data-reveal] {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-reveal].is-visible { opacity: 1; transform: none; }